Fig. 3From: Gender difference in the effects of interleukin-6 on grip strength – a systematic review and meta-analysisForest plot representing the male minus female differences in pIL-6 from the same studies. Squares show the difference in mean values with the grey area reflecting the weight assigned to the study. Horizontal bars indicate 95% confidence intervals (95% CI). The diamond shows the overall effect size (ES) with the corresponding 95% CI. Subgroups in Ogawa et al. [43] are indicated with Arabic numeralsBack to article page