approached significancep = 0.03
The heterogeneity was substantial (I 2 = 64.1%), and the Cochrane’s Q test approached significance ( p = 0.03), which is reasonable considering the small number of included studies (Fig. 4 ).
The heterogeneity was substantial (I 2 = 64.1%), and the Cochrane’s Q test approached significance ( p = 0.03), which is reasonable considering the small number of included studies (Fig. 4 ).