Table 2.
Summary of the meta-analysis for robotic versus laparoscopic liver resections.
| Outcomes | Studies | Cases (n) | OR/MD | 95% CI | p-Value | Heterogeneity | ||
|---|---|---|---|---|---|---|---|---|
| (n) | RLR/LLR | I2 (%) | p-Value | Model | ||||
| Positive resection margin | 14 | 457/631 | 0.71 | 0.42–1.18 | 0.18 | 0 | 0.98 | FE |
| Operation time | 13 | 565/894 | 28.12 | 3.66–52.57 | 0.02 | 90 | <0.00001 | RE |
| Intra-operative blood loss | 11 | 404/748 | −8.56 | −70.86–53.73 | 0.79 | 82 | <0.00001 | RE |
| Length of stay | 11 | 531/846 | −0.02 | −0.56–0.53 | 0.94 | 76 | <0.00001 | RE |
| Tumor size | 10 | 433/557 | 6.92 | 2.93–10.91 | 0.0007 | 52 | 0.02 | RE |
| Overall complications | 13 | 534/841 | 0.78 | 0.56–1.09 | 0.15 | 21 | 0.23 | FE |
| Severe complications | 8 | 284/492 | 0.92 | 0.51–1.68 | 0.79 | 2 | 0.42 | FE |
| Conversion | 10 | 426/622 | 0.74 | 0.44–1.23 | 0.25 | 44 | 0.07 | FE |
CI = confidence interval, FE = fixed effects model, LLR = laparoscopic liver resection, MD = mean difference, OR = odds ratio, RE = random effects model, RLR = robotic liver resection.