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. 2019 Sep;62(5):356–365. doi: 10.1016/j.rehab.2019.04.006

Fig. 4.

Fig. 4

Effect size (ES) for all outcomes by including only “homogeneous” studies (blue shaded area). Blue text: results obtained when sources of heterogeneity (studies in unshaded area) were removed to achieve I2 < 30%. Overall results refer to original estimate obtained with all studies. Data in parenthesis represent 95% confidence interval, I2: I2 statistic, n: number of studies.