moderately significantP < 0.001
Firstly, the heterogeneity was moderately significant in the pooled HRs of OS (I 2 = 72.8%, P < 0.001) and mildly significant for PFS (I 2 = 72%, P = 0.185).
Firstly, the heterogeneity was moderately significant in the pooled HRs of OS (I 2 = 72.8%, P < 0.001) and mildly significant for PFS (I 2 = 72%, P = 0.185).