Table 4 The influence of individual study on the pooled estimate for outcomes
Outcome | Study omitted | HR(95%CI) | I2 (%) | Ph | Z | P value |
|---|---|---|---|---|---|---|
OS | Chang, 2015 [11] | 1.32 (1.15–1.52) | 49 | 0.05 | 3.93 | <  0.01 |
He, 2019 [13] | 1.23 (1.04–1.47) | 76 | <  0.01 | 2.38 | 0.02 | |
Mouradov, 2013 [19] | 1.28 (1.08–1.52) | 75 | <  0.01 | 2.83 | <  0.01 | |
Liu, 2018 [18] | 1.22 (1.02–1.47) | 74 | <  0.01 | 2.18 | 0.03 | |
Korphaisarn, 2017 [16] | 1.23 (1.02–1.48) | 75 | <  0.01 | 2.21 | 0.03 | |
Iwatsuki, 2010 [14] | 1.19 (1.03–1.38) | 59 | 0.01 | 2.39 | 0.02 | |
Li, 2018 [17] | 1.23 (1.03–1.48) | 75 | <  0.01 | 2.24 | 0.03 | |
Tang, 2016 [24] | 1.26 (1.06–1.48) | 76 | <  0.01 | 2.69 | <  0.01 | |
Gao, 2019 [12] | 1.29 (1.10–1.52) | 73 | <  0.01 | 3.10 | <  0.01 | |
Kawashita, 2017 [15] | 1.24 (1.05–1.47) | 76 | <  0.01 | 2.55 | 0.01 | |
DFS | He, 2019 [13] | 1.01 (0.56–1.80) | 0 | 0.80 | 0.03 | 0.97 |
Li, 2018 [17] | 1.02 (0.58–1.79) | 0 | 0.82 | 0.06 | 0.95 | |
Gao, 2018 [12] | 1.31 (0.56–3.11) | 0 | 0.94 | 0.62 | 0.53 | |
Kawashita, 2017 [15] | 0.99 (0.51–1.91) | 0 | 0.78 | 0.03 | 0.98 |