[HTML][HTML] Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity

…, I Casson, S MacDonald, D Delva, R Birtwhistle… - BMC medical research …, 2003 - Springer
Background Controlled clinical trials of health care interventions are either explanatory or
pragmatic. Explanatory trials test whether an intervention is efficacious; that is, whether it can …

Anti-diabetic and hypoglycaemic effects of Momordica charantia (bitter melon): a mini review

L Leung, R Birtwhistle, J Kotecha, S Hannah… - British Journal of …, 2009 - cambridge.org
It has been estimated that up to one-third of patients with diabetes mellitus use some form of
complementary and alternative medicine. Momordica charantia (bitter melon) is a popular …

Validating the 8 CPCSSN case definitions for chronic disease surveillance in a primary care database of electronic health records

T Williamson, ME Green, R Birtwhistle… - The Annals of Family …, 2014 - Annals Family Med
PURPOSE The Canadian Primary Care Sentinel Surveillance Network (CPCSSN) is Canada’s
first national chronic disease surveillance system based on electronic health record (EHR…

Building a pan-Canadian primary care sentinel surveillance network: initial development and moving forward

R Birtwhistle, K Keshavjee… - The Journal of the …, 2009 - Am Board Family Med
The development of a pan-Canadian network of primary care research networks for studying
issues in primary care has been the vision of Canadian primary care researchers for many …

[HTML][HTML] Medical Students' and Residents' preferred site characteristics and preceptor behaviours for learning in the ambulatory setting: a cross-sectional survey

…, D Delva, M Godwin, S Verma, R Birtwhistle… - BMC medical …, 2004 - Springer
Background Medical training is increasingly occurring in the ambulatory setting for final year
medical students and residents. This study looks to identify if gender, school, level of training…

Prevalence and management of osteoarthritis in primary care: an epidemiologic cohort study from the Canadian Primary Care Sentinel Surveillance Network

R Birtwhistle, R Morkem, G Peat… - … Open Access Journal, 2015 - cmajopen.ca
Background Osteoarthritis is a common chronic condition that affects many older Canadians
and is a considerable cause of disability. Our objective was to describe the epidemiology of …

Representativeness of patients and providers in the Canadian Primary Care Sentinel Surveillance Network: a cross-sectional study

…, S Garies, R Morkem, R Birtwhistle - … Open Access Journal, 2016 - cmajopen.ca
Background: The Canadian Primary Care Sentinel Surveillance Network (CPCSSN) has
established a national repository of primary care patient health data that is used for both …

Randomised equivalence trial comparing three month and six month follow up of patients with hypertension by family practitioners

RV Birtwhistle, MS Godwin, MD Delva, RI Casson… - Bmj, 2004 - bmj.com
Objective To compare blood pressure control, satisfaction, and adherence to drug treatment
in patients with treated hypertension followed up by their family physicians either every three …

[HTML][HTML] Recommendations on screening for cognitive impairment in older adults

K Pottie, R Rahal, A Jaramillo, R Birtwhistle… - Cmaj, 2016 - Can Med Assoc
• The task force recommendation against screening asymptomatic adults 65 years of age
and older for cognitive impairment is based on the lack of high-quality studies evaluating the …

Data resource profile: national electronic medical record data from the Canadian Primary Care Sentinel Surveillance Network (CPCSSN)

S Garies, R Birtwhistle, N Drummond… - International Journal …, 2017 - academic.oup.com
The Canadian health care system provides universal, publicly funded health services to its
population. Coverage includes visits to primary care, specialists, hospitalization and, in some …