Flow chart of the literature search process.|@|~(^,^)~|@|Risk of bias graph.|@|~(^,^)~|@|Forest plot comparing the sex hormone-binding globulin level (nmol/L) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot comparing the testosterone level (ng/mL) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot of the sensitivity and subgroup analysis of the triglyceride level (mg/dL) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot comparing the cholesterol level (mg/dL) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot of the sensitivity analysis of the fasting plasma glucose level (mg/dL) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot comparing the insulin level (mIU/L) between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot of the sensitivity analysis of the homeostasis model of assessment-insulin resistance level between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.|@|~(^,^)~|@|Forest plot comparing body mass index between the selenium and placebo groups. SD, standard deviation; SMD, standardized mean difference; IV, interval variable; CI, confidence interval.
© Prev. Nutr. Food Sci.