Outcomes | No. of studies | Sample size | Heterogeneity (P, I 2) | Overall effect size | 95% CI of overall effect | P | |
---|---|---|---|---|---|---|---|
MIPD | OPD | ||||||
Operation time (min) | 12 | 518 | 1054 | <0.01, 96% | WMD = 99.4 | 46.0 ~ 152.8 | <0.01 |
Blood loss (mL) | 9 | 408 | 845 | <0.01, 83% | WMD = −0.54 | −0.88 ~ −0.20 | <0.01 |
Transfusion | 15 | 739 | 1527 | 0.25, 18% | RR = 0.73 | 0.57 ~ 0.94 | 0.02 |
Time to oral intake (days) | 3 | 172 | 333 | 0.02, 73% | WMD = −0.86 | −1.90 ~ 0.18 | 0.11 |
Hospital stay (days) | 11 | 402 | 829 | <0.01, 76% | WMD = −3.49 | −4.83 ~ −2.15 | <0.01 |
Overall complications | 24 | 825 | 1496 | <0.01, 57% | RR = 0.89 | 0.78 ~ 1.02 | 0.10 |
POPF | 25 | 853 | 1521 | 0.60, 0% | RR = 0.91 | 0.78 ~ 1.07 | 0.25 |
Severe POPF | 21 | 983 | 2169 | 0.80, 0% | RR = 1.04 | 0.86 ~ 1.27 | 0.68 |
DGE | 19 | 720 | 1349 | 0.81, 0% | RR = 0.70 | 0.53 ~ 0.94 | 0.02 |
PPH | 10 | 427 | 839 | 0.46, 0% | RR = 1.18 | 0.79 ~ 1.78 | 0.42 |
Reoperation | 14 | 449 | 817 | 0.49, 0% | RR = 1.02 | 0.70 ~ 1.49 | 0.92 |
Readmission | 9 | 512 | 1219 | 0.46, 0% | RR = 1.16 | 0.96 ~ 1.40 | 0.13 |
Mortality | 21 | 972 | 2158 | 0.99, 0% | RR = 0.81 | 0.51 ~ 1.30 | 0.39 |
Retrieved lymph nodes | 11 | 421 | 995 | <0.01, 79% | WMD = 1.13 | −0.32 ~ 2.59 | 0.13 |
R0 rate | 21 | 582 | 1554 | 0.13, 27% | RR = 1.06 | 1.00 ~ 1.12 | 0.04 |