highly significantp < 0.00001
The forest plots reveal considerable heterogeneity among the included studies, as indicated by I 2 values of 99% and 98% and highly significant Chi 2 tests ( p < 0.00001).
The forest plots reveal considerable heterogeneity among the included studies, as indicated by I 2 values of 99% and 98% and highly significant Chi 2 tests ( p < 0.00001).