highly significantp < 0.00001
Subgroup differences were highly significant (Chi 2 = 754.79, df = 5, p < 0.00001; I 2 = 99.3%) ( Figure 5 ). 3.6.
Subgroup differences were highly significant (Chi 2 = 754.79, df = 5, p < 0.00001; I 2 = 99.3%) ( Figure 5 ). 3.6.