Purpose: To perform a meta-analysis to evaluate the diagnostic performance of ultrasonography
(US) and computed tomography (CT) for the diagnosis of appendicitis in pediatric and …

Background Fewer girls than boys are born in India. Various hypotheses have been proposed
to explain this low sex ratio. Our aim was to ascertain the contribution of prenatal sex …

Background Many studies conducted in health and social sciences collect individual level
data as outcome measures. Usually, such data have a hierarchical structure, with patients …

Objectives: Area-based measures of socio-economic status are increasingly used in population
health research. Based on previous research and theory, the Canadian Marginalization …

Using multilevel analysis we find that residents of “stressed” neighborhoods have higher
levels of depression than residents of less “stressed” neighborhoods. Data for individuals are …

Importance Rates of obesity and diabetes have increased substantially in recent decades;
however, the potential role of the built environment in mitigating these trends is unclear. …

Background: The majority of immigrants to Canada originate from the developing world,
where the most rapid increase in prevalence of diabetes mellitus is occurring. We undertook a …

Background Whether influenza vaccination is associated with Guillain-Barré syndrome (GBS)
remains uncertain. Methods We conducted 2 studies using population-based health care …

We sought to address the question: Can metallic surfaces be rendered bone-bonding? We
employed dual acid-etched (DAE) commercially pure titanium (cpTi) and titanium alloy (…

Background— Women with a history of placental disease are at increased risk for the future
development of vascular disease. It is unknown whether preexisting endothelial dysfunction …