Table 4.
Sensitivity analysis in laparoscopic hepatectomy vs open hepatectomy
| Outcomes of interest | Study, n | LH, n | OH, n | WMD/OR (95%CI) | P |
Study heterogeneity |
P | ||
| χ2 | df | I2, % | |||||||
| Operative time, min | 11 | 416 | 464 | 26.58 (-1.78, 54.94) | 0.07 | 201.48 | 10 | 95 | < 0.001 |
| Estimated blood loss, mL | 9 | 402 | 445 | -56.21 (-108.00, -4.43) | 0.03 | 73.92 | 9 | 88 | < 0.001 |
| Intraoperative transfusion | 7 | 314 | 366 | 0.47 (0.23, 0.97) | 0.04 | 8.03 | 6 | 25 | 0.24 |
| Length of hospital stay, d | 12 | 450 | 504 | -3.47 (-4.67, -2.27) | < 0.001 | 47.8 | 11 | 77 | < 0.001 |
| Postoperative complications | 12 | 451 | 504 | 0.55 (0.38, 0.78) | < 0.001 | 8.33 | 11 | 0 | 0.68 |
| Time to oral intake, d | 6 | 187 | 267 | -1.12 (-1.56, -0.68) | < 0.001 | 70.78 | 5 | 93 | < 0.001 |
| Initial residual stone | 10 | 381 | 445 | 0.90 (0.53, 1.53) | 0.71 | 2.74 | 9 | 0 | 0.97 |
| Final residual stone | 5 | 136 | 146 | 0.34 (0.11, 1.08) | 0,07 | 2.92 | 4 | 0 | 0.57 |
| Stone recurrence | 10 | 394 | 445 | 0.59 (0.31, 1.15) | 0.12 | 3.01 | 9 | 0 | 0.96 |
df: Degrees of freedom; LH: Laparoscopic hepatectomy; OH: Open hepatectomy; WMD/OR: Weight mean difference/odds ratio.