Craig Ramsay

Craig Ramsay

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Craig Ramsay

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Can surgery be avoided in patients with symptomatic gallstone disease and no complications?

BMJ 2019 10 11;367:l5709. Epub 2019 Oct 11.

Health Service Research Unit, 3rd floor Health Sciences Building, University of Aberdeen, Foresterhill, Aberdeen, AB25 2ZU.

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http://dx.doi.org/10.1136/bmj.l5709DOI Listing
October 2019

Correction to: Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - the development of the DELTA2 guidance.

Trials 2019 Oct 24;20(1):602. Epub 2019 Oct 24.

Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Nuffield Orthopaedic Centre, Windmill Rd, Oxford, OX3 7LD, UK.

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http://dx.doi.org/10.1186/s13063-019-3809-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6813096PMC
October 2019

Five-Year Outcomes of a Randomized Trial of Treatments for Varicose Veins.

N Engl J Med 2019 09;381(10):912-922

From the Institute of Cardiovascular Research, University of Glasgow (J.B.), and the Institute of Applied Health Research, Nursing, Midwifery, and Allied Health Professions Research Unit, Glasgow Caledonian University (A.E.), Glasgow, the Health Services Research Unit (D.C., S.C.C., G.M., C.R.R., M.K.C.) and the Health Economics Research Unit (M.D., G.S., E.T.), University of Aberdeen, and the Department of Vascular Surgery, NHS Grampian, Aberdeen Royal Infirmary (P.B.), Aberdeen, the Edinburgh Clinical Trials Unit, University of Edinburgh, Edinburgh (J.N.), the School of Medicine, Medical and Biological Sciences, University of St. Andrews, St. Andrews (J.M.B.), the Department of Vascular Surgery, Royal Devon and Exeter Hospital, Exeter (B.C.), the Department of Vascular Surgery, Hull Royal Infirmary, Hull (I.C.), the School of Surgery, University of Leeds (M.G.), and Vascular Surgery, St. James University Hospital (J.S.), Leeds, Vascular Surgery, Gloucestershire Royal Hospital, Gloucester (J.E.), Vascular Surgery, Freeman Hospital, Newcastle upon Tyne (T.L.), the Vascular Surgical Unit, Royal Bournemouth Hospital, Bournemouth (S.A.B.), and the School of Health Sciences, City University of London, London (J.F.) - all in the United Kingdom.

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http://dx.doi.org/10.1056/NEJMoa1805186DOI Listing
September 2019

Methodology and reporting characteristics of studies using interrupted time series design in healthcare.

BMC Med Res Methodol 2019 07 4;19(1):137. Epub 2019 Jul 4.

Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen, AB25 2ZD, UK.

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http://dx.doi.org/10.1186/s12874-019-0777-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6609377PMC
July 2019

Choosing the target difference and undertaking and reporting the sample size calculation for a randomised controlled trial - the development of the DELTA guidance.

Trials 2018 Oct 10;19(1):542. Epub 2018 Oct 10.

Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Botnar Research Centre, Nuffield Orthopaedic Centre, Windmill Rd, Oxford, OX3 7LD, UK.

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http://dx.doi.org/10.1186/s13063-018-2887-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6180499PMC
October 2018

Areas for improvement in community optometry: flashes and floaters take priority.

Ophthalmic Physiol Opt 2018 07;38(4):411-421

NHS Education for Scotland on behalf of the TRiaDS Research Methodology Group, Dundee, UK.

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http://dx.doi.org/10.1111/opo.12564DOI Listing
July 2018

The split-plot design was useful for evaluating complex, multilevel interventions, but there is need for improvement in its design and report.

J Clin Epidemiol 2018 04 4;96:120-125. Epub 2017 Nov 4.

Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, UK.

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http://dx.doi.org/10.1016/j.jclinepi.2017.10.019DOI Listing
April 2018

A core outcome set for localised prostate cancer effectiveness trials.

BJU Int 2017 11 3;120(5B):E64-E79. Epub 2017 May 3.

Academic Urology Unit, University of Aberdeen, Aberdeen, UK.

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http://dx.doi.org/10.1111/bju.13854DOI Listing
November 2017

Heterogeneity in application, design, and analysis characteristics was found for controlled before-after and interrupted time series studies included in Cochrane reviews.

J Clin Epidemiol 2017 Nov 25;91:56-69. Epub 2017 Jul 25.

Institute for Medical Information Processing, Biometry and Epidemiology, Pettenkofer School of Public Health, LMU Munich, Marchioninistr. 15, 81377, Munich, Germany.

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http://dx.doi.org/10.1016/j.jclinepi.2017.07.008DOI Listing
November 2017

Core outcomes in periodontal trials: study protocol for core outcome set development.

Trials 2017 09 20;18(1):436. Epub 2017 Sep 20.

Health Services Research Unit, University of Aberdeen, Aberdeen, UK.

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http://dx.doi.org/10.1186/s13063-017-2169-zDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5607503PMC
September 2017

Erratum to: Methods for evaluating medical tests and biomarkers.

Authors:
Gowri Gopalakrishna Miranda Langendam Rob Scholten Patrick Bossuyt Mariska Leeflang Anna Noel-Storr James Thomas Iain Marshall Byron Wallace Penny Whiting Clare Davenport Mariska Leeflang Gowri GopalaKrishna Isabel de Salis Sue Mallett Robert Wolff Penny Whiting Richard Riley Marie Westwood Jos Kleinen Gary Collins Hans Reitsma Karel Moons Antonia Zapf Annika Hoyer Katharina Kramer Oliver Kuss J Ensor J J Deeks E C Martin R D Riley Gerta Rücker Susanne Steinhauser Martin Schumacher Richard Riley Joie Ensor Kym Snell Brian Willis Thomas Debray Karel Moons Jon Deeks Gary Collins Lavinia Ferrante di Ruffano Brian Willis Clare Davenport Sue Mallett Sian Taylor-Phillips Chris Hyde Jon Deeks Sue Mallett Stuart A Taylor Gauraang Batnagar Sian Taylor-Phillips Lavinia Ferrante Di Ruffano Farah Seedat Aileen Clarke Jon Deeks Sarah Byron Frances Nixon Rebecca Albrow Thomas Walker Carla Deakin Chris Hyde Zhivko Zhelev Harriet Hunt Lavinia Ferrante di Ruffano Yaling Yang Lucy Abel James Buchanan Thomas Fanshawe Bethany Shinkins Laure Wynants Jan Verbakel Sabine Van Huffel Dirk Timmerman Ben Van Calster Mariska Leeflang Aeliko Zwinderman Patrick Bossuyt Jason Oke Jack O'Sullivan Rafael Perera Brian Nicholson Hannah L Bromley Tracy E Roberts Adele Francis Denniis Petrie G Bruce Mann Kinga Malottki Holly Smith Jon Deeks Lucinda Billingham Alice Sitch Sue Mallett Jon Deeks Oke Gerke Mie Holm-Vilstrup Eivind Antonsen Segtnan Ulrich Halekoh Poul Flemming Høilund-Carlsen Bernard G Francq Jon Deeks Alice Sitch Jac Dinnes Julie Parkes Walter Gregory Jenny Hewison Doug Altman William Rosenberg Peter Selby Julien Asselineau Paul Perez Aïssatou Paye Emilie Bessede Cécile Proust-Lima Christiana Naaktgeboren Joris de Groot Anne Rutjes Patrick Bossuyt Johannes Reitsma Karel Moons Gary Collins Emmanuel Ogundimu Jonathan Cook Yannick Le Manach Doug Altman Laure Wynants Yvonne Vergouwe Sabine Van Huffel Dirk Timmerman Ben Van Calster Romin Pajouheshnia Rolf Groenwold Karen Moons Johannes Reitsma Linda Peelen Ben Van Calster Daan Nieboer Yvonne Vergouwe Bavo De Cock Micael J Pencina Ewout W Steyerberg Jennifer Cooper Sian Taylor-Phillips Nick Parsons Chris Stinton Steve Smith Andy Dickens Rachel Jordan Alexandra Enocson David Fitzmaurice Alice Sitch Peymane Adab Bernard G Francq Charles Boachie Gaj Vidmar Karoline Freeman Martin Connock Sian Taylor-Phillips Rachel Court Aileen Clarke Joris de Groot Christiana Naaktgeboren Hans Reitsma Carl Moons Jessica Harris Andrew Mumford Zoe Plummer Kurtis Lee Barnaby Reeves Chris Rogers Veerle Verheyden Gianni D Angelini Gavin J Murphy Jeremy Huddy Melody Ni Katherine Good Graham Cooke Patrick Bossuyt George Hanna Jie Ma Doug Altman Gary Collins K G M Carl Moons Joris A H de Groot Sue Mallett Doug G Altman Johannes B Reitsma Gary S Collins Karel G M Moons Douglas G Altman Johannes B Reitsma Gary S Collins Adina Najwa Kamarudin Ruwanthi Kolamunnage-Dona Trevor Cox Melody Ni Jeremy Huddy Simone Borsci George Hanna Teresa Pérez M Carmen Pardo Angel Candela-Toha Alfonso Muriel Javier Zamora Sabina Sanghera Syed Mohiuddin Richard Martin Jenny Donovan Joanna Coast Mikyung Kelly Seo John Cairns Elizabeth Mitchell Alison Smith Judy Wright Peter Hall Michael Messenger Nicola Calder Nyantara Wickramasekera Karen Vinall-Collier Andrew Lewington Romin Pajouheshnia Johanna Damen Rolf Groenwold Karel Moons Linda Peelen Michael Messenger David Cairns Alison Smith Michelle Hutchinson Judy Wright Peter Hall Nicola Calder Cathie Sturgeon Liz Mitchel Rebecca Kift Sofia Christakoudi Manohursingh Rungall Paula Mobillo Rosa Montero Tjir-Li Tsui Sui Phin Kon Beatriz Tucker Steven Sacks Chris Farmer Terry Strom Paramit Chowdhury Irene Rebollo-Mesa Maria Hernandez-Fuentes Johanna A A G Damen Thomas P A Debray Pauline Heus Lotty Hooft Karel G M Moons Romin Pajouheshnia Johannes B Reitsma Rob J P M Scholten Johanna A A G Damen Lotty Hooft Ewoud Schuit Thomas P A Debray Gary S Collins Ioanna Tzoulaki Camille M Lassale George C M Siontis Virginia Chiocchia Corran Roberts Michael Maia Schlüssel Stephen Gerry James A Black Pauline Heus Yvonne T van der Schouw Linda M Peelen Karel G M Moons Johanna A A G Damen Thomas P A Debray Pauline Heus Lotty Hooft Karel G M Moons Romin Pajouheshnia Johannes B Reitsma Rob J P M Scholten Jie Ma Doug Altman Gary Collins Graeme Spence David McCartney Ann van den Bruel Daniel Lasserson Gail Hayward Werner Vach Antoinette de Jong Coreline Burggraaff Otto Hoekstra Josée Zijlstra Henrica de Vet Harriet Hunt Chris Hyde Sara Graziadio Joy Allen Louise Johnston Rachel O'Leary Michael Power Joy Allen Sara Graziadio Louise Johnson Rachel O'Leary Michael Power Ray Waters John Simpson Louise Johnston Joy Allen Sara Graziadio Rachel O'Leary Ray Waters Michael Power Sue Mallett Thomas R Fanshawe Peter Phillips Andrew Plumb Emma Helbren Steve Halligan Stuart A Taylor Alastair Gale Sue Mallett Peggy Sekula Douglas G Altman Willi Sauerbrei Sue Mallett Thomas R Fanshawe Julia R Forman Susan J Dutton Yemisi Takwoingi Elizabeth M Hensor Thomas E Nichols Bethany Shinkins Yaling Yang Lucy Abel Lavinia Ferrante Di Ruffano Thomas Fanshawe Emmanuelle Kempf Raphael Porcher Jennifer de Beyer Karel Moons Douglas Altman Hans Reitsma Sally Hopewell Willi Sauerbrei Gary Collins John Dennis Beverley Shields Angus Jones William Henley Ewan Pearson Andrew Hattersley Pauline Heus Johanna A A G Damen Romin Pajouheshnia Rob J P M Scholten Johannes B Reitsma Gary S Collins Douglas G Altman Karel G M Moons Lotty Hooft Beverley Shields John Dennis Angus Jones William Henley Ewan Pearson Andrew Hattersley Fueloep Scheibler Anne Rummer Sibylle Sturtz Robert Großelfinger Katie Banister Craig Ramsay Augusto Azuara-Blanco Jonathan Cook Charles Boachie Jennifer Burr Manjula Kumarasamy Rupert Bourne Ijeoma Uchegbu Simone Borsci Jennifer Murphy George Hanna Ijeoma Uchegbu Alex Carter Jen Murphy Melody Ni Joachim Marti Julie Eatock Ijeoma Uchegbu Julie Robotham Maria Dudareva Mark Gilchrist Alison Holmes Ijeoma Uchegbu Simone Borsci Phillip Monaghan Sarah Lord Andrew StJohn Sverre Sandberg Christa Cobbaert Lieselotte Lennartz Wilma Verhagen-Kamerbeek Christoph Ebert Patrick Bossuyt Andrea Horvath Kevin Jenniskens Christiana Naaktgeboren Johannes Reitsma Karel Moons Joris de Groot Chris Hyde Jaime Peters Bogdan Grigore Jaime Peters Chris Hyde Chris Hyde Obi Ukoumunne Jaime Peters Zhivko Zhelev Brooke Levis Andrea Benedetti Alexander W Levis John P A Ioannidis Ian Shrier Pim Cuijpers Simon Gilbody Lorie A Kloda Dean McMillan Scott B Patten Russell J Steele Roy C Ziegelstein Charles H Bombardier Flavia de Lima Osório Jesse R Fann Dwenda Gjerdingen Femke Lamers Manote Lotrakul Sonia R Loureiro Bernd Löwe Juwita Shaaban Lesley Stafford Henk C P M van Weert Mary A Whooley Linda S Williams Karin A Wittkampf Albert S Yeung Brett D Thombs Jaime Peters Chris Cooper James Buchanan Tom Nieto Claire Smith Olga Tucker Janine Dretzke Andrew Beggs Nirmala Rai Clare Davenport Sue Bayliss Simon Stevens Kym Snell Sue Mallet Jon Deeks Sudha Sundar Emma Hall Nuria Porta David Lorente Estelles Johann de Bono

Diagn Progn Res 2017 30;1:11. Epub 2017 Mar 30.

278The Institute of Cancer Research, London, UK.

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http://dx.doi.org/10.1186/s41512-017-0011-4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6460744PMC
March 2017

"Better" clinical decisions do not necessarily require more time to make.

J Clin Epidemiol 2017 02 15;82:173-174. Epub 2016 Nov 15.

Aberdeen Health Psychology Group, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen AB25 2ZD, UK.

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http://dx.doi.org/10.1016/j.jclinepi.2016.11.004DOI Listing
February 2017

Interventions to improve antibiotic prescribing practices for hospital inpatients.

Cochrane Database Syst Rev 2017 02 9;2:CD003543. Epub 2017 Feb 9.

Research Department of Primary Care and Population Health, University College London, Upper Floor 3, Royal Free Hospital, Rowland Hill Street, London, UK, NW3 2PF.

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http://dx.doi.org/10.1002/14651858.CD003543.pub4DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6464541PMC
February 2017

Effectiveness of early lens extraction for the treatment of primary angle-closure glaucoma (EAGLE): a randomised controlled trial.

Lancet 2016 Oct;388(10052):1389-1397

Health Services Research Unit, University of Aberdeen, Aberdeen, UK; Centre for Health Care Randomised Trials, University of Aberdeen, Aberdeen, UK.

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http://dx.doi.org/10.1016/S0140-6736(16)30956-4DOI Listing
October 2016

An Audit and Feedback Intervention for Reducing Antibiotic Prescribing in General Dental Practice: The RAPiD Cluster Randomised Controlled Trial.

PLoS Med 2016 Aug 30;13(8):e1002115. Epub 2016 Aug 30.

Health Services Research Unit (HSRU), University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen, United Kingdom.

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http://dx.doi.org/10.1371/journal.pmed.1002115DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5004857PMC
August 2016

Consensus on Outcome Measures for Glaucoma Effectiveness Trials: Results From a Delphi and Nominal Group Technique Approaches.

J Glaucoma 2016 06;25(6):539-46

*Health Services Research Unit, University of Aberdeen †Aberdeen Royal Infirmary, Aberdeen ‡Institute of Clinical Science, Royal Victoria Hospital, Queen's University Belfast, Belfast, UK.

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http://dx.doi.org/10.1097/IJG.0000000000000301DOI Listing
June 2016

Participation in Physical Play and Leisure in Children With Motor Impairments: Mixed-Methods Study to Generate Evidence for Developing an Intervention.

Phys Ther 2015 Oct 21;95(10):1374-86. Epub 2015 May 21.

J. Francis, PhD, School of Health Sciences, City University London, London, United Kingdom.

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http://dx.doi.org/10.2522/ptj.20140404DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4595811PMC
October 2015

A Systematic Review of Economic Evaluations of the Use of Robotic Assisted Laparoscopy in Surgery Compared with Open or Laparoscopic Surgery.

Appl Health Econ Health Policy 2015 Oct;13(5):457-67

Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Foresterhill, Aberdeen, AB25 2ZD, UK.

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http://link.springer.com/10.1007/s40258-015-0185-2
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http://dx.doi.org/10.1007/s40258-015-0185-2DOI Listing
October 2015

Outcome Measures in Glaucoma: A Systematic Review of Cochrane Reviews and Protocols.

J Glaucoma 2015 Sep;24(7):533-8

*Health Services Research Unit, University of Aberdeen †Aberdeen Royal Infirmary, Aberdeen, Scotland ‡Centre for Vision and Vascular Science, Queen's University Belfast, Institute of Clinical Science, Royal Victoria Hospital, Belfast, Northern Ireland.

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http://dx.doi.org/10.1097/IJG.0000000000000022DOI Listing
September 2015

A systematic review of the use of an expertise-based randomised controlled trial design.

Trials 2015 May 30;16:241. Epub 2015 May 30.

Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen, AB25 2ZD, UK.

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http://dx.doi.org/10.1186/s13063-015-0739-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4468810PMC
May 2015

Systematic review of the clinical and cost effectiveness of cholecystectomy versus observation/conservative management for uncomplicated symptomatic gallstones or cholecystitis.

Surg Endosc 2015 Mar 14;29(3):637-47. Epub 2014 Aug 14.

Health Services Research Unit, University of Aberdeen, Health Sciences Building, Foresterhill, Aberdeen, AB25 2ZD, UK,

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http://dx.doi.org/10.1007/s00464-014-3712-6DOI Listing
March 2015

The use of Latin squares and related block designs in implementation research.

J Clin Epidemiol 2014 Dec 22;67(12):1299-301. Epub 2014 Oct 22.

College of Medicine, Swansea University, Institute of Life Science 2, Singleton Park, Swansea, SA2 8PP, UK.

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http://dx.doi.org/10.1016/j.jclinepi.2014.07.007DOI Listing
December 2014

Perceived difficulty and appropriateness of decision making by General Practitioners: a systematic review of scenario studies.

BMC Health Serv Res 2014 Nov 29;14:621. Epub 2014 Nov 29.

Aberdeen Health Psychology Group & Health Services Research Unit, University of Aberdeen, 2nd Floor Health Sciences Building, Foresterhill, Aberdeen, Scotland, AB25 2ZD, UK.

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http://dx.doi.org/10.1186/s12913-014-0621-2DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4258016PMC
November 2014

A randomized trial comparing treatments for varicose veins.

N Engl J Med 2014 Sep;371(13):1218-27

From the Division of Applied Medicine (J. Brittenden), the Health Services Research Unit (S.C.C., A.E., C.R.R., J.N., G.S., S.W., M.K.C.), and the Health Economics Research Unit (E.T., G.S.), University of Aberdeen, and the Department of Vascular Surgery, NHS Grampian, Aberdeen Royal Infirmary (P.B.), Aberdeen; the School of Medicine, Medical and Biological Sciences, University of St. Andrews, St. Andrews (J. Burr); the Department of Vascular Surgery, Royal Devon and Exeter Hospital, Exeter (B.C.); the Department of Vascular Surgery, Hull Royal Infirmary, Hull (I.C.); the School of Surgery, University of Leeds (M.G.), and Vascular Surgery, St. James University Hospital (J.S.), Leeds; Vascular Surgery, Gloucestershire Royal Hospital, Gloucester (J.E.); Vascular Surgery, Freeman Hospital, Newcastle upon Tyne (T.L.); the Vascular Surgical Unit, Royal Bournemouth Hospital, Bournemouth (S.A.B.); and the School of Health Sciences, City University London, London (J.F.) - all in the United Kingdom.

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http://dx.doi.org/10.1056/NEJMoa1400781DOI Listing
September 2014

Determining information for inclusion in a decision-support intervention for clinical trial participation: a modified Delphi approach.

Clin Trials 2013 4;10(6):967-76. Epub 2013 Nov 4.

aHealth Services Research Unit, University of Aberdeen, Aberdeen, UK.

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http://dx.doi.org/10.1177/1740774513508339DOI Listing
July 2014

The use of segmented regression in analysing interrupted time series studies: an example in pre-hospital ambulance care.

Implement Sci 2014 Jun 19;9:77. Epub 2014 Jun 19.

Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa Hospital, 1053 Carling Avenue Admin Services Building, ASB 2-004, Civic Box 693, Ottawa, ON K1Y 4E9, Canada.

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http://dx.doi.org/10.1186/1748-5908-9-77DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4068621PMC
June 2014

Methods for specifying the target difference in a randomised controlled trial: the Difference ELicitation in TriAls (DELTA) systematic review.

PLoS Med 2014 May 13;11(5):e1001645. Epub 2014 May 13.

Health Services Research Unit, University of Aberdeen, Aberdeen, United Kingdom; Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom.

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http://dx.doi.org/10.1371/journal.pmed.1001645DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4019477PMC
May 2014

Variation of clinical outcomes used in glaucoma randomised controlled trials: a systematic review.

Br J Ophthalmol 2014 Apr 13;98(4):464-8. Epub 2014 Jan 13.

Health Services Research Unit, University of Aberdeen, , Aberdeen, UK.

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http://dx.doi.org/10.1136/bjophthalmol-2013-304323DOI Listing
April 2014

Is it worthwhile to conduct a randomized controlled trial of glaucoma screening in the United Kingdom?

J Health Serv Res Policy 2014 Jan 2;19(1):42-51. Epub 2013 Oct 2.

Senior Clinical Research Fellow in Health Services Research, School of Medicine, University of St Andrews, UK.

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http://dx.doi.org/10.1177/1355819613499748DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4509868PMC
January 2014

A questionnaire elicitation of surgeons' belief about learning within a surgical trial.

PLoS One 2012 8;7(11):e49178. Epub 2012 Nov 8.

Health Services Research Unit, University of Aberdeen, Aberdeen, United Kingdom.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0049178PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3493499PMC
May 2013

Interventions to improve antibiotic prescribing practices for hospital inpatients.

Cochrane Database Syst Rev 2013 Apr 30(4):CD003543. Epub 2013 Apr 30.

Population Health Sciences Division, Medical Research Institute, University of Dundee, Dundee, UK.

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http://www.cdbph.org/documents/EA-Interventions-to-improve-a
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http://doi.wiley.com/10.1002/14651858.CD003543.pub3
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http://dx.doi.org/10.1002/14651858.CD003543.pub3DOI Listing
April 2013

An introduction to methodological issues when including non-randomised studies in systematic reviews on the effects of interventions.

Res Synth Methods 2013 Mar 24;4(1):1-11. Epub 2013 Jan 24.

Department of Epidemiology and Community Medicine, University of Ottawa, Canada.

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http://dx.doi.org/10.1002/jrsm.1068DOI Listing
March 2013

Issues relating to study design and risk of bias when including non-randomized studies in systematic reviews on the effects of interventions.

Res Synth Methods 2013 Mar 25;4(1):12-25. Epub 2012 Sep 25.

Department of Epidemiology and Community Medicine, University of Ottawa, Ottawa, Canada.

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http://dx.doi.org/10.1002/jrsm.1056DOI Listing
March 2013

Developing the specifications of an open angle glaucoma screening intervention in the United Kingdom: a Delphi approach.

BMC Health Serv Res 2012 Dec 5;12:447. Epub 2012 Dec 5.

School of Nursing Sciences, Edith Cavell Building, University of East Anglia, Norwich Research Park, Norwich, UK.

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http://dx.doi.org/10.1186/1472-6963-12-447DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3563574PMC
December 2012

Expert opinion on laparoscopic surgery for colorectal cancer parallels evidence from a cumulative meta-analysis of randomized controlled trials.

PLoS One 2012 20;7(4):e35292. Epub 2012 Apr 20.

Department of Surgery, Department of Epidemiology & Community Medicine, and Ottawa Hospital Research Institute, The Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0035292PLOS
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3332109PMC
August 2012

Analysing randomised controlled trials with missing data: choice of approach affects conclusions.

Contemp Clin Trials 2012 May 12;33(3):461-9. Epub 2012 Jan 12.

Division of Applied Health Sciences, University of Aberdeen, Foresterhill, Aberdeen, UK.

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http://dx.doi.org/10.1016/j.cct.2011.12.002DOI Listing
May 2012

The quality of research synthesis in surgery: the case of laparoscopic surgery for colorectal cancer.

Syst Rev 2012 Feb 17;1:14. Epub 2012 Feb 17.

Department of Surgery, Department of Epidemiology & Community Medicine, and Ottawa Hospital Research Institute, The Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.

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http://dx.doi.org/10.1186/2046-4053-1-14DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3351744PMC
February 2012

Choosing appropriate patient-reported outcomes instrument for glaucoma research: a systematic review of vision instruments.

Qual Life Res 2011 Sep 4;20(7):1141-58. Epub 2011 Jan 4.

Health Services Research Unit, University of Aberdeen, 3rd Floor, Health Sciences Building, Foresterhill, Aberdeen, AB25 2ZD, Scotland, UK.

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http://link.springer.com/10.1007/s11136-010-9831-1
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http://dx.doi.org/10.1007/s11136-010-9831-1DOI Listing
September 2011

Guidance on minimally important clinical difference and trial size is needed.

BMJ 2011 Jul 25;343:d4375. Epub 2011 Jul 25.

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http://dx.doi.org/10.1136/bmj.d4375DOI Listing
July 2011

Predicting missing quality of life data that were later recovered: an empirical comparison of approaches.

Clin Trials 2010 Aug 24;7(4):333-42. Epub 2010 Jun 24.

University of Aberdeen, UK.

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http://dx.doi.org/10.1177/1740774510374626DOI Listing
August 2010

Pharmaceutical policies: effects of restrictions on reimbursement.

Cochrane Database Syst Rev 2010 Aug 4(8):CD008654. Epub 2010 Aug 4.

Division of Medical Sciences, University of Victoria, PO Box 3040 STN CSC, Victoria, British Columbia, Canada, V8W 3N7.

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http://dx.doi.org/10.1002/14651858.CD008654DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6791298PMC
August 2010

Effect of point-of-care computer reminders on physician behaviour: a systematic review.

CMAJ 2010 Mar 8;182(5):E216-25. Epub 2010 Mar 8.

Department of Medicine, Sunnybrook Health Sciences Centre and University of Toronto Centre for Patient Safety, Toronto, Ont.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2842864PMC
March 2010

Beliefs about surgery: Development and validation of an instrument to assess cognitive representations about surgery, in the context of a chronic illness.

Psychol Health 2009 Dec;24(10):1125-37

Health Services Research Unit, University of Aberdeen, Foresterhill, Aberdeen AB25 2ZD, UK.

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http://dx.doi.org/10.1080/08870440802071157DOI Listing
December 2009

The effects of on-screen, point of care computer reminders on processes and outcomes of care.

Cochrane Database Syst Rev 2009 Jul 8(3):CD001096. Epub 2009 Jul 8.

Director, University of Toronto Centre for Patient Safety, Sunnybrook Health Sciences Centre, Room D474, 2075 Bayview Avenue, Toronto, Ontario, Canada, M4N 3M5.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4171964PMC
July 2009

Can't do it, won't do it! Developing a theoretically framed intervention to encourage better decontamination practice in Scottish dental practices.

Implement Sci 2009 Jun 5;4:31. Epub 2009 Jun 5.

Dental Health Services Research Unit, University of Dundee, MacKenzie Building, Kirsty Semple Way, Dundee, DD2 4BF, UK.

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http://dx.doi.org/10.1186/1748-5908-4-31DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701915PMC
June 2009

Investigating the missing data mechanism in quality of life outcomes: a comparison of approaches.

Health Qual Life Outcomes 2009 Jun 22;7:57. Epub 2009 Jun 22.

Section of Population Health, University of Aberdeen, UK.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2711047PMC
June 2009

Screening tests for detecting open-angle glaucoma: systematic review and meta-analysis.

Invest Ophthalmol Vis Sci 2008 Dec 9;49(12):5373-85. Epub 2008 Jul 9.

Health Services Research Unit, Institute of Applied Health Sciences, College of Life Sciences and Medicine, University of Aberdeen, Aberdeen, Scotland, United Kingdom.

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http://dx.doi.org/10.1167/iovs.07-1501DOI Listing
December 2008

Recruitment to publicly funded trials--are surgical trials really different?

Contemp Clin Trials 2008 Sep 7;29(5):631-4. Epub 2008 Mar 7.

Health Services Research Unit, University Of Aberdeen, Aberdeen, UK.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2669413PMC
September 2008

A review of RCTs in four medical journals to assess the use of imputation to overcome missing data in quality of life outcomes.

Trials 2008 Aug 11;9:51. Epub 2008 Aug 11.

Section of Population Health, Division of Applied Health Sciences, University of Aberdeen, Polwarth Building, Foresterhill, Aberdeen, AB25 2ZD, UK.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3225816PMC
August 2008

Using the literature to quantify the learning curve: a case study.

Int J Technol Assess Health Care 2007 ;23(2):255-60

University of Aberdeen, Scotland.

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June 2007