User profiles for "author:R W Platt"
Robert W PlattMcGill University Verified email at mcgill.ca Cited by 42516 |
Cardiovascular disease-related morbidity and mortality in women with a history of pregnancy complications: systematic review and meta-analysis
Background: Women with a history of certain pregnancy complications are at higher risk for
cardiovascular (CVD) disease. However, most clinical guidelines only recommend …
cardiovascular (CVD) disease. However, most clinical guidelines only recommend …
Improving blood pressure control through pharmacist interventions: a meta‐analysis of randomized controlled trials
Background Control of blood pressure (BP) remains a major challenge in primary care.
Innovative interventions to improve BP control are therefore needed. By updating and …
Innovative interventions to improve BP control are therefore needed. By updating and …
A systematic review identifies a lack of standardization in methods for handling missing variance data
N Wiebe, B Vandermeer, RW Platt, TP Klassen… - Journal of clinical …, 2006 - Elsevier
BACKGROUND AND OBJECTIVES: To describe and critically appraise available methods
for handling missing variance data in meta-analysis (MA). METHODS: Systematic review …
for handling missing variance data in meta-analysis (MA). METHODS: Systematic review …
Overadjustment bias and unnecessary adjustment in epidemiologic studies
Overadjustment is defined inconsistently. This term is meant to describe control (eg, by
regression adjustment, stratification, or restriction) for a variable that either increases net …
regression adjustment, stratification, or restriction) for a variable that either increases net …
A new and improved population-based Canadian reference for birth weight for gestational age
Background. Existing fetal growth references all suffer from 1 or more major methodologic
problems, including errors in reported gestational age, biologically implausible birth weight …
problems, including errors in reported gestational age, biologically implausible birth weight …
[HTML][HTML] Reducing bias through directed acyclic graphs
Background The objective of most biomedical research is to determine an unbiased
estimate of effect for an exposure on an outcome, ie to make causal inferences about the …
estimate of effect for an exposure on an outcome, ie to make causal inferences about the …
Breastfeeding and child cognitive development: new evidence from a large randomized trial
MS Kramer, F Aboud, E Mironova… - Archives of general …, 2008 - jamanetwork.com
Context The evidence that breastfeeding improves cognitive development is based almost
entirely on observational studies and is thus prone to confounding by subtle behavioral …
entirely on observational studies and is thus prone to confounding by subtle behavioral …
The contribution of mild and moderate preterm birth to infant mortality
MS Kramer, K Demissie, H Yang, RW Platt, R Sauvé… - Jama, 2000 - jamanetwork.com
ContextThe World Health Organization defines preterm birth as birth at less than 37
completed gestational weeks, but most studies have focused on very preterm infants (birth …
completed gestational weeks, but most studies have focused on very preterm infants (birth …
Illustrating bias due to conditioning on a collider
That conditioning on a common effect of exposure and outcome may cause selection, or
collider-stratification, bias is not intuitive. We provide two hypothetical examples to convey …
collider-stratification, bias is not intuitive. We provide two hypothetical examples to convey …
[HTML][HTML] Effects of prolonged and exclusive breastfeeding on child height, weight, adiposity, and blood pressure at age 6.5 y: evidence from a large randomized trial
Background: The evidence that breastfeeding protects against obesity and a variety of
chronic diseases comes almost entirely from observational studies, which have a potential …
chronic diseases comes almost entirely from observational studies, which have a potential …