Figure 2: Forest plot of effect sizes (unbiased d) of pre vs. post test
comparisons on VO_{2max} and Wmap within epo treatments of seventeen epo
studies included in the metaâ€“analysis (N = 40 strata). The size of the solid black
squares represents the weight the corresponding study exerts in the analysis.
The 95%â€“confidence interval of the estimates is displayed as a horizontal line
through the black square. The unfilled diamond presents the pooled estimate.
(Source: Lodewijkx et al., 2013). |