highly significantP <0.00001
When 29 studies containing 4,390 patients who had received radical surgery (I–III) were considered, highly significant heterogeneity was detected ( χ 2 =92.48, P <0.00001; I 2 =70%).
When 29 studies containing 4,390 patients who had received radical surgery (I–III) were considered, highly significant heterogeneity was detected ( χ 2 =92.48, P <0.00001; I 2 =70%).