“…For studies that summarized the effect size with estimators other than ORs, whenever possible, the estimators were converted to ORs, and the 95% CI was calculated (Deeks, Altman, & Bradburn, 2008). For four studies, the conversion to OR was not possible due to lack of information; therefore, they were excluded from the meta-analysis (Fuller et al, 2002;Greder, Peng, Doudna, & Sarver, 2017;King, 2018;Zaslow et al, 2009). When adjusted estimates were available, they were included; otherwise, crude estimators were considered (Gill et al, 2018;Obradovíc et al, 2016).…”