Table 3.

Sensitivity analysis

Item	Deleted Article	HR	95% CI		P
Two‐year OS	Jeong et al.17	1.759	0.402	7.699	0.453
Five‐year OS	Piessen et al.15	0.919	0.542	1.560	0.755
Two‐year DFS	Piessen et al.15	3.670	1.950	6.908	0.000
Five‐year DFS	Castoro et al.14	1.565	0.558	4.390	0.394

CI, confidence interval; DFS, disease‐free survival; HR, hazard ratio; OS, overall survival.