highly significantP < 0.00001
The chi-squared test yielded a value of 323.71 with four df, which indicated highly significant heterogeneity ( P < 0.00001), as demonstrated in the forest plot depicted in Figure 3 .
The chi-squared test yielded a value of 323.71 with four df, which indicated highly significant heterogeneity ( P < 0.00001), as demonstrated in the forest plot depicted in Figure 3 .