Roger Logan

Roger Logan

UNVERIFIED PROFILE

Are you Roger Logan?   Register this Author

Register author
Roger Logan

Roger Logan

Publications by authors named "Roger Logan"

Are you Roger Logan?   Register this Author

32Publications

765Reads

12Profile Views

Electronic medical records can be used to emulate target trials of sustained treatment strategies.

J Clin Epidemiol 2018 Apr;96:12-22

Department of Epidemiology, Harvard TH Chan School of Public Health, Boston, MA, USA; Department of Biostatistics, Harvard TH Chan School of Public Health, Boston, MA, USA; Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1016/j.jclinepi.2017.11.021DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5847447PMC
April 2018

Examining Bias in Studies of Statin Treatment and Survival in Patients With Cancer.

JAMA Oncol 2018 Jan;4(1):63-70

Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1001/jamaoncol.2017.2752DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5790310PMC
January 2018

Effect of Immediate Initiation of Antiretroviral Treatment in HIV-Positive Individuals Aged 50 Years or Older.

J Acquir Immune Defic Syndr 2017 11;76(3):311-318

1Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA; 2Sorbonne Universités, INSERM, UPMC Univ Paris 06, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; 3Institute of Global Health, University College London, London, United Kingdom; 4Centro Nacional de Epidemiologia, Instituto de Salud Carlos III, Madrid, Spain; 5CIBERESP, Instituto de Salud Carlos III, Madrid, Spain; 6AP-HP, Hôpital Antoine Béclère, Service de Médecine Interne, Clamart, France; 7Stichting HIV Monitoring, Amsterdam, the Netherlands; 8Academic Medical Centre, Department of Global Health and Division of Infectious Diseases, University of Amsterdam, Amsterdam, the Netherlands; 9Amsterdam Institute for Global Health and Development, Amsterdam, the Netherlands; 10Hospital San Pedro-CIBIR, Logroño, Spain; 11Basel Institute for Clinical Epidemiology and Biostatistics, University Hospital Basel, University of Basel, Basel, Switzerland; 12Division of Infectious Diseases and Hospital Epidemiology, University Hospital Zurich, University of Zurich, Zurich, Switzerland; 13Infectious Disease Department, Hospital Parc Tauli, Sabadell, Spain; 14Hospital Clinic-IDIBAPS, Barcelona, Spain; 15Division of Infectious Diseases, Patras University Hospital, Patras, Greece; 16Department of Hygiene, Epidemiology and Medical Statistics, Faculty of Medicine, National and Kapodistrian University of Athens, Athens, Greece; 17Université de Bordeaux, ISPED, Centre INSERM U1219-Epidemiologie-Biostatistique, Bordeaux, France; 18Centre INSERM U1219- Centre Inserm Epidémiologie et Biostatistique, Université de Bordeaux, Bordeaux, France; 19Department of Internal Medicine, Bordeaux University Hospital, Bordeaux, France; 20Université Paris Sud, UMR 1018, le Kremlin Bicêtre, Paris, France; 21Inserm, UMR 1018, le Kremlin Bicêtre, Paris, France; 22AP-HP, Hôpital de Bicêtre, Service de Santé Publique, le Kremlin Bicêtre, Paris, France; 23Southern Alberta Clinic, Calgary, AB, Canada; 24Department of Medicine, University of Calgary, Calgary, AB, Canada; 25Instituto Nacional de Infectologia Evandro Chagas, Fundacao Oswaldo Cruz, Rio de Janeiro, Brasil; 26Programa de Computação Científica, Fundacao Oswaldo Cruz, Rio de Janeiro, Brasil; 27Hospital Universitari Germans Trias i Pujol, Badalona, Spain; 28Department of Internal Medicine, Yale University School of Medicine, New Haven; 29VA Connecticut Healthcare System, West Haven, CT; 30Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston; and 31Harvard-MIT Division of Health Sciences and Technology, Boston, MA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1097/QAI.0000000000001498DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5704899PMC
November 2017

Mediation analysis for a survival outcome with time-varying exposures, mediators, and confounders.

Stat Med 2017 Nov 15;36(26):4153-4166. Epub 2017 Aug 15.

Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/sim.7426DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6242332PMC
November 2017

Parametric Mediational g-Formula Approach to Mediation Analysis with Time-varying Exposures, Mediators, and Confounders.

Epidemiology 2017 03;28(2):266-274

From the aDepartment of Epidemiology, Harvard School of Public Health, Boston, MA; and bDepartment of Biostatistics, Harvard School of Public Health, Boston, MA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1097/EDE.0000000000000609DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5285457PMC
March 2017

The per-protocol effect of immediate versus deferred antiretroviral therapy initiation.

AIDS 2016 11;30(17):2659-2663

aDepartment of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts bDivision of Biostatistics, School of Public Health, University of Minnesota, Minneapolis, Minnesota, USA cDepartment of Infectious Diseases, Rigshospitalet, University of Copenhagen, København, Denmark dResearch Department of Infection & Population Health, University College London, London, United Kingdom eDepartment of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina fInfectious Disease Clinical Research Program, Department of Preventive Medicine and Biostatistics, Uniformed Services University of the Health Sciences gHenry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, Maryland, USA hMedical Research Council, Clinical Trials Unit in University College London, London, United Kingdom iUniversity of Wuerzburg Medical Center, Würzburg, Germany jThe Kirby Institute, Sydney, Australia kDepartment of Biostatistics, Harvard T.H. Chan School of Public Health lHarvard-MIT Division of Health Sciences and Technology, Boston, Massachusetts, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1097/QAD.0000000000001243DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5339063PMC
November 2016

When to Monitor CD4 Cell Count and HIV RNA to Reduce Mortality and AIDS-Defining Illness in Virologically Suppressed HIV-Positive Persons on Antiretroviral Therapy in High-Income Countries: A Prospective Observational Study.

J Acquir Immune Defic Syndr 2016 Jun;72(2):214-21

1Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA; 2University College London, London, United Kingdom; 3Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA; 4Sorbonne Universités, UPMC Univ Paris 06, INSERM, Institut Pierre Louis d'épidémiologie et de Santé Publique (IPLESP UMRS 1136), Paris, France; 5Assistance Publique-Hopitaux de Paris (AP-HP), Hopital Antoine Béclère, Service de Médecine Interne, Clamart, France; 6University of Alabama at Birmingham, Birmingham, AL; 7Université Paris Sud, INSERM CESP U1018, and AP-HP, Hopital de Bicêtre, Service de Santé Publique, le Kremlin Bicêtre, France; 8Division of Allergy and Infectious Diseases, School of Medicine, University of Washington, Seattle, WA; 9Bordeaux University, ISPED, INSERM U897 CHU de Bordeaux, Bordeaux, France; 10INSERM U897, Centre Inserm Epidémiologie et Biostatistique, Université de Bordeaux, and Department of Internal Medicine, Bordeaux University Hospital, Bordeaux, France; 11School of Medicine, Johns Hopkins University, Baltimore, MD; 12Stichting HIV Monitoring, Amsterdam, Netherlands; Academic Medical Center, Department of Global Health and Division of Infectious Diseases, University of Amsterdam, and Amsterdam Institute for Global Health and Development, Amsterdam, Netherlands; 13Stichting HIV Monitoring, Amsterdam, Netherlands; 14Internal Medicine, Johns Hopkins University, Baltimore, MD; 15National Centre of Epidemiology, Instituto de Salud Carlos III, Madrid, Spain; Consorcio de Investigación Biomédica de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain; 16Ramón y Cajal Hospital, IRYCIS, Madrid, Spain, University of Alcalá de Henares, Madrid, Spain; 17Positive Health Program, San Francisco General Hospital, San Francisco, CA; 18Servei de Medicina Interna, Hospital Universitari Germans Trias i Pujol, Universitat Autònoma de Barcelona, Badalona, Spain; 19Fenway Health, Boston, MA; 20Hospital Universitari d

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1097/QAI.0000000000000956DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4866894PMC
June 2016

Infective endocarditis and cancer in the elderly.

Eur J Epidemiol 2016 Jan 18;31(1):41-9. Epub 2015 Dec 18.

Department of Epidemiology, Harvard T.H. Chan School of Public Health, 677 Huntington Ave, Boston, MA, 02115, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1007/s10654-015-0111-9DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5354127PMC
January 2016

Ensemble learning of inverse probability weights for marginal structural modeling in large observational datasets.

Stat Med 2015 Jan 15;34(1):106-17. Epub 2014 Oct 15.

Department of Epidemiology, Harvard School of Public Health, Boston, MA, U.S.A.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1002/sim.6322DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4262745PMC
January 2015

Evaluation of the duplication of staging CT scans for localized colon cancer in a Medicare population.

Med Care 2014 Nov;52(11):963-8

*Department of Epidemiology, Harvard School of Public Health †Dana Farber Cancer Institute ‡Department of Biostatistics, Harvard School of Public Health §Harvard-MIT Division of Health Sciences and Technology, Boston, MA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.1097/MLR.0000000000000231DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4197077PMC
November 2014

New statistical approaches to semiparametric regression with application to air pollution research.

Res Rep Health Eff Inst 2013 Nov(175):3-129

Department of Mathematics, Vrije Universiteit, Amsterdam.

View Article

Download full-text PDF

Source
November 2013

Regression calibration with heteroscedastic error variance.

Int J Biostat 2011 6;7(1). Epub 2011 Jan 6.

Harvard School of Public Health, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.2202/1557-4679.1259DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3404553PMC
December 2012

Coronary heart disease in postmenopausal recipients of estrogen plus progestin therapy: does the increased risk ever disappear? A randomized trial.

Ann Intern Med 2010 Feb;152(4):211-7

Department of Population Medicine, Harvard Medical School/Harvard Pilgrim Health Care Institute, 133 Brookline Avenue, 6th Floor, Boston, MA 02215, USA.

View Article

Download full-text PDF

Source
http://dx.doi.org/10.7326/0003-4819-152-4-201002160-00005DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2936769PMC
February 2010