Table 2. Comparison of MIPD Versus OPD (Pooled Analysis).
| Outcome of interest | Studies, n | Patients, n | OR/MD | 95% CI | P value | Heterogeneity Test | |
| P value | I2 | ||||||
| Intraoperative outcomes | |||||||
| Operative time,min | 11 | 869 | 105 | (49.73, 160.26) | <0.001 | <0.001 | 93% |
| Estimated blood loss, mL | 10 | 746 | −361.93 | (−519.22 −204.63) | <0.001 | <0.001 | 94% |
| Postoperative outcomes | |||||||
| Morbidity, (%) | 9 | 762 | 0.73 | (0.53, 1.00) | 0.05 | 0.35 | 10% |
| Wound infection, n | 6 | 584 | 0.41 | (0.22, 0.78) | 0.007 | 0.86 | 0% |
| Overall pancreatic fistula, n | 10 | 802 | 0.96 | (0.65, 1.44) | 0.86 | 0.88 | 0% |
| Grade A | 5 | 486 | 0.88 | (0.47, 1.66) | 0.7 | 0.86 | 0% |
| Grade B | 6 | 548 | 1.01 | (0.46, 2.20) | 0.98 | 0.89 | 0% |
| Grade C | 6 | 525 | 0.83 | (0.37, 1.85) | 0.64 | 0.87 | 0% |
| Overall delayed gastric emptying, n | 11 | 869 | 0.99 | (0.62, 1.56) | 0.96 | 0.76 | 0% |
| Grade A | 3 | 386 | 0.82 | (0.31, 2.19) | 0.69 | 0.49 | 0% |
| Grade B | 4 | 446 | 0.77 | (0.29, 2.02) | 0.59 | 0.93 | 0% |
| Grade C | 3 | 365 | 1.23 | (0.41, 3.71) | 0.71 | 0.8 | 0% |
| Reoperation, n | 8 | 721 | 0.63 | (0.34, 1.19) | 0.16 | 0.73 | 0% |
| Mortality, (%) | 7 | 582 | 0.82 | (0.37, 1.85) | 0.64 | 0.93 | 0% |
| Length of stay, d | 10 | 818 | −2.64 | (−4.23, −1.05) | 0.001 | <0.001 | 78% |
| Oncologic outcomes | |||||||
| Retrieved lymph nodes, n | 7 | 612 | 1.15 | (−2.02, 4.32) | 0.48 | <0.001 | 83% |
| Positive surgical margins,n | 7 | 451 | 0.57 | (0.31, 1.04) | 0.07 | 0.12 | 40% |