
Keywords: متاآنالیز مطالعات مشاهداتی در اپیدمیولوژی; MOOSE; meta-analysis of observational studies in epidemiology; PRISMA; preferred reporting items for systematic reviews and meta-analyses; NOS; Newcastle-Ottawa Scale; OR; odds ratio; RR; relative risk or risk ratio; HR; hazard ratio; CI; conï¬dence inte