Objectives Depression and depressive symptoms are common mental disorders that have a
considerable effect on patients' health-related quality of life and satisfaction with medical …

The prevalence of depression among different eye disease patients varies across studies
and has not been systematically reviewed. This study is to provide a summary of the …

Background Plant-based diets have been recommended to reduce the risk of type 2
diabetes (T2D). However, not all plant foods are necessarily beneficial. We examined the …

Rationale, aims, and objectives Heterogeneity is a critical issue in meta‐analysis, because it
implies the appropriateness of combining the collected studies and impacts the reliability of …

Background The implications of rising obesity for cardiovascular health in middle-income
countries has generated interest, in part because associations between obesity and …

Animal tuberculosis (TB) is a multi-host zoonotic disease whose prevalence in cattle herds
in Europe has been increasing, despite a huge investment in eradication. The composition …

Studies included in meta-analysis can produce results that depart from the true population
parameter of interest due to systematic and/or random errors. Synthesis of these results in …

Background Medical emergencies during short-or long-haul commercial airline flights have
become more commonplace due to the aviation industry's contemporary growth, the …

Background Ovarian cancer incidence differs substantially by race/ethnicity, but the reasons
for this are not well understood. Data were pooled from the African American Cancer …

Meta-analysis is a powerful tool to combine evidence from existing literature. Despite
several introductory and advanced materials about organizing, conducting, and reporting a …