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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Exerc Sport Sci Rev. 2010 Apr;38(2):61–67. doi: 10.1097/JES.0b013e3181d496bc

Figure 2.

Figure 2

Forest plots of effect sizes from meta-analyses on studies that reported muscle strength normalized to muscle size (specific force) in subjects that were and were not estrogen deficient. Each square represents the effect size for that study with the size of the square equating to the weight of that study in the meta-analysis. The horizontal line through the square indicates the 95% confidence interval (CI) for that effect size. Within each plot, studies are arranged from lowest to highest effect sizes. Top panel: Results of five studies on postmenopausal women comparing muscle strength between women who were and were not on an estrogen-based hormone therapy. Bottom panel: Results of seven studies on rats or mice comparing specific force between those that were estradiol deficient via ovariectomy and those that were ovary intact or estradiol-replaced. Figure created from data originally published in (8); refer to this paper for references cited in the figure.