highly significantp = 0.01
Heterogeneity was not present for RCTs (Q = 3.48, df = 2, p = 0.18; I2 = 42%), but highly significant for non-RCTs (Q = 12.41, df = 4, p = 0.01; I2 = 68%).
Heterogeneity was not present for RCTs (Q = 3.48, df = 2, p = 0.18; I2 = 42%), but highly significant for non-RCTs (Q = 12.41, df = 4, p = 0.01; I2 = 68%).