Table 4 Results of the meta-analysis of postoperative complications
Pooled outcomes | Studies (n) | Sample size, n (LG: OG) | Effect size with 95% CI | P value | Heterogeneity (I2, %) | Publication bias (Begg’s Test) |
|---|---|---|---|---|---|---|
Total complications, n (OR) | 17 | 2006 (888:1118) | 0.70 (0.56–0.88) | 0.002 | 0 | 0.064 |
Minor complications, n (OR) | 15 | 1687 (819:868) | 0.69 (0.53–0.90) | 0.006 | 0 | 0.075 |
Major complications, n (OR) | 15 | 1687 (819:868) | 0.90 (0.55–1.47) | 0.67 | 16 | 0.583 |
Anastomotic leakage, n (OR) | 14 | 1738 (756:982) | 0.74 (0.44–1.26) | 0.27 | 0 | 0.502 |
Pancreatic complications, n (OR) | 8 | 937 (462:475) | 0.63 (0.21–1.94) | 0.43 | 0 | – |
Intra-abdominal hemorrhage, n (OR) | 13 | 1602 (695:907) | 0.82 (0.41–1.64) | 0.58 | 0 | 0.945 |
Intra-abdominal abscess, n (OR) | 11 | 1350 (582:768) | 0.91 (0.45–1.84) | 0.80 | 0 | 0.858 |
Surgical site infection, n (OR) | 10 | 1280 (570:710) | 0.74 (0.35–1.57) | 0.43 | 0 | 0.474 |
Lymphatic leakage, n (OR) | 9 | 1063 (487:576) | 1.26 (0.46–3.47) | 0.66 | 0 | – |
Pulmonary infection, n (OR) | 14 | 1724 (775:949) | 0.74 (0.48–1.15) | 0.19 | 0 | 0.274 |
Ileus, n (OR) | 8 | 1279 (546:733) | 0.77 (0.27–2.19) | 0.62 | 0 | – |