Stephen J Walters

Stephen J Walters

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Stephen J Walters

Publications by authors named "Stephen J Walters"

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Intravenous antibiotic use and exacerbation events in an adult cystic fibrosis centre: A prospective observational study.

Respir Med 2019 Jul - Aug;154:109-115. Epub 2019 Jun 18.

Sheffield Adult CF Centre, Northern General Hospital, Sheffield, UK; School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1016/j.rmed.2019.06.017DOI Listing
June 2019

Role of habit in treatment adherence among adults with cystic fibrosis.

Thorax 2019 02 9;74(2):197-199. Epub 2018 Jun 9.

School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1136/thoraxjnl-2017-211453DOI Listing
February 2019

A pragmatic behavior-based habit index for adherence to nebulized treatments among adults with cystic fibrosis.

Patient Prefer Adherence 2019 13;13:283-294. Epub 2019 Feb 13.

Department of Psychology, Institute of Psychiatry, Psychology and Neuroscience (IoPPN) King's College London, London, UK.

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http://dx.doi.org/10.2147/PPA.S186417DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6388736PMC
February 2019

Understanding FEV for the purpose of cystic fibrosis registry comparisons: Does bias in annual review FEV affect between-centre comparison within the UK? An analysis of registry data.

J Eval Clin Pract 2019 Jan 25. Epub 2019 Jan 25.

School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1111/jep.13097DOI Listing
January 2019

Symptoms at lung cancer diagnosis are associated with major differences in prognosis.

Thorax 2018 12 17;73(12):1177-1181. Epub 2018 Apr 17.

Chest Clinic, Doncaster Royal Infirmary, Doncaster, UK.

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http://dx.doi.org/10.1136/thoraxjnl-2018-211596DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6269645PMC
December 2018

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

Appropriate statistical methods for analysing partially nested randomised controlled trials with continuous outcomes: a simulation study.

BMC Med Res Methodol 2018 10 11;18(1):105. Epub 2018 Oct 11.

School of Health and Related Research (ScHARR), University of Sheffield, 30 Regent Street, S1 4DA, Sheffield, UK.

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http://dx.doi.org/10.1186/s12874-018-0559-xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6186141PMC
October 2018

A prospective longitudinal study of Pasireotide in Nelson's syndrome.

Pituitary 2018 Jun;21(3):247-255

Department of Oncology and Metabolism, The Medical School, University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, UK.

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http://dx.doi.org/10.1007/s11102-017-0853-3DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5942349PMC
June 2018

Do cystic fibrosis centres with the lowest FEV still use the least amount of intravenous antibiotics? A registry-based comparison of intravenous antibiotic use among adult CF centres in the UK.

J Cyst Fibros 2018 May 23;17(3):360-367. Epub 2017 Oct 23.

School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK; Sheffield Adult CF Centre, Northern General Hospital, Sheffield, UK. Electronic address:

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http://dx.doi.org/10.1016/j.jcf.2017.10.005DOI Listing
May 2018

Are pilot trials useful for predicting randomisation and attrition rates in definitive studies: A review of publicly funded trials.

Clin Trials 2018 04 23;15(2):189-196. Epub 2018 Jan 23.

2 School of Health and Related Research (ScHARR), The University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1177/1740774517752113DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5894808PMC
April 2018

Rescue therapy within the UK Cystic Fibrosis Registry: An exploration of predictors of intravenous antibiotic use amongst adults with CF.

Respirology 2018 02 14;23(2):190-197. Epub 2017 Sep 14.

School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1111/resp.13174DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5813205PMC
February 2018

The Relationship between Hospital or Surgeon Volume and Outcomes in Lower Limb Vascular Surgery in the United Kingdom and Europe.

Ann Vasc Surg 2017 Nov 5;45:271-286. Epub 2017 May 5.

School of Health and Related Research (ScHARR), Faculty of Medicine Dentistry and Health (MDH), University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1016/j.avsg.2017.04.031DOI Listing
November 2017

A self-managed single exercise programme versus usual physiotherapy treatment for rotator cuff tendinopathy: a randomised controlled trial (the SELF study).

Clin Rehabil 2016 Jul 9;30(7):686-96. Epub 2015 Jul 9.

School of Health & Related Research, University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1177/0269215515593784DOI Listing
July 2016

Accurate reporting of adherence to inhaled therapies in adults with cystic fibrosis: methods to calculate "normative adherence".

Patient Prefer Adherence 2016 23;10:887-900. Epub 2016 May 23.

School of Health and Related Research (ScHARR), University of Sheffield, Sheffield, UK; Sheffield Adult Cystic Fibrosis Centre, Northern General Hospital, University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.2147/PPA.S105530DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4883819PMC
June 2016

Estimating effect sizes for health-related quality of life outcomes.

Stat Methods Med Res 2014 Oct 19;23(5):430-9. Epub 2013 Feb 19.

University of Sheffield, Sheffield, England.

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http://dx.doi.org/10.1177/0962280213476379DOI Listing
October 2014

Mapping EQ-5D utility scores from the PedsQL™ generic core scales.

Pharmacoeconomics 2014 Jul;32(7):693-706

Warwick Clinical Trials Unit, Division of Health Sciences, Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK,

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http://dx.doi.org/10.1007/s40273-014-0153-yDOI Listing
July 2014

Sample size requirements to estimate key design parameters from external pilot randomised controlled trials: a simulation study.

Trials 2014 Jul 3;15:264. Epub 2014 Jul 3.

Design, Trials and Statistics Group, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, S1 4DA Sheffield, UK.

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http://dx.doi.org/10.1186/1745-6215-15-264DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4227298PMC
July 2014

Quality of life in children and adolescents with Osteogenesis Imperfecta: a qualitative interview based study.

Health Qual Life Outcomes 2014 Apr 16;12:54. Epub 2014 Apr 16.

Metabolic Bone Disease Team, Sheffield Children's NHS Foundation Trust, Western Bank, Sheffield S10 2TH, UK.

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http://dx.doi.org/10.1186/1477-7525-12-54DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3996106PMC
April 2014

Self-managed loaded exercise versus usual physiotherapy treatment for rotator cuff tendinopathy: a pilot randomised controlled trial.

Physiotherapy 2014 Mar 15;100(1):54-60. Epub 2013 Aug 15.

School of Health & Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S00319406130005
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http://dx.doi.org/10.1016/j.physio.2013.06.001DOI Listing
March 2014

Dynamic pelvic floor ultrasound for lower urinary tract symptoms in children--initial report on normative values.

J Pediatr Urol 2013 Dec 1;9(6 Pt A):950-4. Epub 2013 Mar 1.

Sheffield Children's Hospital, Paediatric Urology, Sheffield, United Kingdom. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S14775131130001
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http://dx.doi.org/10.1016/j.jpurol.2013.01.009DOI Listing
December 2013

Use of non-invasive ventilation at end of life.

Palliat Med 2013 Oct;27(9):878

School of Health and Related Research, University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1177/0269216313495098DOI Listing
October 2013

The effectiveness of salicylic acid plasters compared with 'usual' scalpel debridement of corns: a randomised controlled trial.

J Foot Ankle Res 2013 Sep 24;6(1):40. Epub 2013 Sep 24.

Podiatry Services, Jordanthorpe Health Centre, 1 Dyche Close, Sheffield Teaching Hospitals NHS Foundation Trust, Sheffield S8 8DJ, England.

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http://dx.doi.org/10.1186/1757-1146-6-40DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3856524PMC
September 2013

The natural history of motor neuron disease: assessing the impact of specialist care.

Amyotroph Lateral Scler Frontotemporal Degener 2013 Jan 29;14(1):13-9. Epub 2012 May 29.

Academic Neurology Unit, Sheffield Institute for Translational Neuroscience, University of Sheffield, South Yorkshire, UK.

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http://dx.doi.org/10.3109/17482968.2012.690419DOI Listing
January 2013

Concurrence of multiple sclerosis and amyotrophic lateral sclerosis in patients with hexanucleotide repeat expansions of C9ORF72.

J Neurol Neurosurg Psychiatry 2013 Jan 20;84(1):79-87. Epub 2012 Oct 20.

Academic Neurology Unit, Sheffield Institute for Translational Neuroscience (SITraN), University of Sheffield, 385A Glossop Road, Sheffield S10 2HQ, UK.

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http://jnnp.bmj.com/lookup/doi/10.1136/jnnp-2012-303326
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http://dx.doi.org/10.1136/jnnp-2012-303326DOI Listing
January 2013

Observational prospective cohort study of patients with newly-diagnosed ocular sebaceous carcinoma.

Br J Ophthalmol 2013 Jan 31;97(1):47-51. Epub 2012 Oct 31.

Oxford Eye Hospital, The John Radcliffe Hospital, Oxford University Hospitals NHS Trust, Oxford OX39DU, UK.

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http://dx.doi.org/10.1136/bjophthalmol-2012-302443DOI Listing
January 2013

Early diagnosis of lung cancer: evaluation of a community-based social marketing intervention.

Thorax 2012 May 2;67(5):412-7. Epub 2011 Nov 2.

Chest Clinic, South Block, Doncaster Royal Infirmary, Armthorpe Road, Doncaster DN2 5LT, UK.

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http://dx.doi.org/10.1136/thoraxjnl-2011-200714DOI Listing
May 2012

A comparison of the discriminative and evaluative properties of the SF-36 and the SF-6D index.

Qual Life Res 2011 Nov 11;20(9):1477-86. Epub 2011 Mar 11.

College of Pharmacy, University of Arizona, 1295 N Martin Drachman Hall 2nd Floor, Tucson, AZ, 85721, USA.

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http://link.springer.com/content/pdf/10.1007/s11136-011-9881
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http://link.springer.com/10.1007/s11136-011-9881-z
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http://dx.doi.org/10.1007/s11136-011-9881-zDOI Listing
November 2011

Dorsal cortical comminution as a predictor of redisplacement of distal radius fractures in children.

Injury 2011 Feb;42(2):173-7

Sheffield Children’s Hospital, Sheffield, UK.

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http://dx.doi.org/10.1016/j.injury.2010.07.409DOI Listing
February 2011

Physical activity, quality of life, weight status and diet in adolescents.

Qual Life Res 2010 Sep 8;19(7):943-54. Epub 2010 May 8.

Medical Statistics Group, School of Health and Related Research, University of Sheffield, Sheffield, S1 4DA, UK.

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http://dx.doi.org/10.1007/s11136-010-9659-8DOI Listing
September 2010

Therapist effects in randomised controlled trials: what to do about them.

J Clin Nurs 2010 Apr;19(7-8):1102-12

Medical Statistics Group, School of Health and Related Research, University of Sheffield, Sheffield S1 4DA, UK.

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http://dx.doi.org/10.1111/j.1365-2702.2009.03067.xDOI Listing
April 2010

Consultants' forum: should post hoc sample size calculations be done?

Pharm Stat 2009 Apr-Jun;8(2):163-9

Medical Statistics Group, School of Health and Related Research, University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.1002/pst.334DOI Listing
August 2009

Impact of a mental health teaching programme on adolescents.

Br J Psychiatry 2009 Apr;194(4):365-70

Health Services Research Section, School of Health and Related Research (ScHARR), Faculty of Medicine, University of Sheffield, Regent Court, Sheffield S1 4DA, UK.

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http://dx.doi.org/10.1192/bjp.bp.108.053058DOI Listing
April 2009

Clinical audit of core podiatry treatment in the NHS.

J Foot Ankle Res 2009 Mar 13;2. Epub 2009 Mar 13.

Podiatry Services, Sheffield PCT, Jordanthorpe Health Centre, Sheffield, S8 8DJ, UK.

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http://dx.doi.org/10.1186/1757-1146-2-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2663778PMC
March 2009

A pilot survey of socio-economic differences in child-feeding behaviours among parents of primary-school children.

Public Health Nutr 2008 Oct 20;11(10):1030-6. Epub 2007 Dec 20.

Public Health Section, School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK.

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http://dx.doi.org/10.1017/S1368980007001401DOI Listing
October 2008

Physical activity among adolescents and barriers to delivering physical education in Cornwall and Lancashire, UK: a qualitative study of heads of PE and heads of schools.

BMC Public Health 2008 Aug 1;8:273. Epub 2008 Aug 1.

University of Sheffield, Health Services Research, ScHARR, Research Centre, Regent Court, 30 Regent St, Sheffield, S1 4DA, UK.

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http://dx.doi.org/10.1186/1471-2458-8-273DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518562PMC
August 2008

Health-status of adult survivors of childhood cancer: a large-scale population-based study from the British Childhood Cancer Survivor Study.

Int J Cancer 2007 Aug;121(3):633-40

Department of Public Health and Epidemiology, Centre for Childhood Cancer Survivor Studies, University of Birmingham, Birmingham, United Kingdom.

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http://dx.doi.org/10.1002/ijc.22658DOI Listing
August 2007

Predicting where future means will lie based on the results of the current trial.

Contemp Clin Trials 2007 Jul 30;28(4):352-7. Epub 2007 Jan 30.

Medical Statistics Group, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, United Kingdom.

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http://dx.doi.org/10.1016/j.cct.2007.01.010DOI Listing
July 2007

What influences clinicians' operative preferences for women with breast cancer? An application of the discrete choice experiment.

Eur J Cancer 2007 Jul 6;43(11):1662-9. Epub 2007 Jun 6.

Academic Surgical Oncology Unit, The University of Sheffield, Floor K, Royal Hallamshire Hospital, Sheffield S10 2JF, UK.

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http://dx.doi.org/10.1016/j.ejca.2007.04.021DOI Listing
July 2007

MRCP compared to diagnostic ERCP for diagnosis when biliary obstruction is suspected: a systematic review.

BMC Med Imaging 2006 Aug 14;6. Epub 2006 Aug 14.

School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK.

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http://bmcmedimaging.biomedcentral.com/articles/10.1186/1471
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http://dx.doi.org/10.1186/1471-2342-6-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1579209PMC
August 2006

Comparison of the minimally important difference for two health state utility measures: EQ-5D and SF-6D.

Qual Life Res 2005 Aug;14(6):1523-32

Health Economics and Decision Science, School of Health and Related Research, University of Sheffield, UK.

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http://link.springer.com/content/pdf/10.1007/s11136-004-7713
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August 2005

The use of bootstrap methods for estimating sample size and analysing health-related quality of life outcomes.

Stat Med 2005 Apr;24(7):1075-102

Sheffield Health Economics Group, School of Health and Related Research, University of Sheffield, UK.

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http://dx.doi.org/10.1002/sim.1984DOI Listing
April 2005

Development of a commercial amperometric biosensor electrode for the ketone D-3-hydroxybutyrate.

Biosens Bioelectron 2005 Feb;20(8):1617-25

MediSense Products, Abbott Diabetes Care, Abbott Laboratories, Range Road, Witney, Oxon OX29 0YL, UK.

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http://dx.doi.org/10.1016/j.bios.2004.07.009DOI Listing
February 2005

The use of bootstrap methods for analysing Health-Related Quality of Life outcomes (particularly the SF-36).

Health Qual Life Outcomes 2004 Dec 9;2:70. Epub 2004 Dec 9.

Medical Statistics Group, School of Health and Related Research, University of Sheffield, UK.

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http://dx.doi.org/10.1186/1477-7525-2-70DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC543443PMC
December 2004

Health-related quality of life in Huntington's disease: a comparison of two generic instruments, SF-36 and SIP.

Mov Disord 2004 Nov;19(11):1341-8

Cambridge Centre for Brain Repair, University of Cambridge, United Kingdom.

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http://dx.doi.org/10.1002/mds.20208DOI Listing
November 2004

Sample size and power estimation for studies with health related quality of life outcomes: a comparison of four methods using the SF-36.

Health Qual Life Outcomes 2004 May 25;2:26. Epub 2004 May 25.

Sheffield Health Economics Group, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent St, Sheffield, United Kingdom, S1 4DA.

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http://dx.doi.org/10.1186/1477-7525-2-26DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC421748PMC
May 2004

Transition metal half-sandwich complexes as redox mediators to glucose oxidase.

Biosens Bioelectron 2004 Feb;19(7):763-70

MediSense (UK) Ltd, Abbott Laboratories, 14/15 Eyston Way, Abingdon Oxon OX14 1TR, UK.

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February 2004

What is the relationship between the minimally important difference and health state utility values? The case of the SF-6D.

Health Qual Life Outcomes 2003 Apr 11;1. Epub 2003 Apr 11.

Sheffield Health Economics Group, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield, S1 4DA, UK.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC155547PMC
April 2003

Economic implications of the use of basiliximab in addition to triple immunosuppressive therapy in renal allograft recipients: a UK perspective.

Pharmacoeconomics 2003 ;21(2):129-38

School of Health and Related Research, University of Sheffield, Sheffield, UK.

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http://dx.doi.org/10.2165/00019053-200321020-00005DOI Listing
March 2003

Health-related quality of life and cost impact of irritable bowel syndrome in a UK primary care setting.

Pharmacoeconomics 2002 ;20(7):455-62

School of Health and Related Research (ScHARR), University of Sheffield, Regent Court, Sheffield S1 4DA, United Kingdom.

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http://dx.doi.org/10.2165/00019053-200220070-00003DOI Listing
August 2002

Update on the use of osteoarthritis-specific outcome measures.

Expert Rev Pharmacoecon Outcomes Res 2002 Aug;2(4):337-46

Sheffield Health Economics Group, School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent St, Sheffield S1 4DA, UK.

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http://dx.doi.org/10.1586/14737167.2.4.337DOI Listing
August 2002

Women's perceptions of informed choice in maternity care.

Midwifery 2002 Jun;18(2):136-44

School of Health and Related Research, University of Sheffield, Regent Court, 30 Regent Street, Sheffield S1 4DA, UK.

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June 2002