Table 3.
Meta-analysis results of all available studies with measured outcomes
| Measured outcomes | No. studies | No. patients | Heterogeneity test | Model | RR/WMD | 95%CI | P | |
|---|---|---|---|---|---|---|---|---|
| I2(%) | P | |||||||
| Hospital mortality | 8 | 286 vs. 351 | 0 | 0.64 | Random | 2.17 | 1.03,4.57 | 0.04 |
| Postoperative complication | 6 | 154 vs. 132 | 0 | 0.8 | Random | 1.21 | 0.77,1.90 | 0.40 |
| Postoperative hospital stays | 4 | 140 vs. 115 | 87 | < 0.0001 | Random | − 0.64 | − 5.61,4.34 | 0.80 |
| Peritoneal metastasis | 3 | 122 vs. 101 | 0 | 0.9 | Random | 1.06 | 0.66,1.71 | 0.80 |
| Recurrence rate | 4 | 128 vs. 110 | 0 | 0.98 | Random | 1.09 | 0.94,1.25 | 0.27 |
| 1-year OS | 6 | 154 vs. 132 | 0 | 0.8 | Random | 0.91 | 0.80,1.02 | 0.11 |
| 3-year OS | 4 | 131 vs. 111 | 6 | 0.36 | Random | 0.81 | 0.61,1.09 | 0.17 |
No. number of, RR risk ratio, WMD weighted mean difference, CI confidence interval, OS overall survival, statistical significant results are shown in bold