| | Author | Group | | Event | Specified complications | Complication (%) | | 1 | 2 | 3 | 4 |
| | Baker et al. [8] | LA | 33 | 7 | Small bowel injury × 1, biloma × 1, wound infection × 1 | 15.2 | 6.1 | 0 | 0 | | O | 33 | 7 | Biloma × 1, pleural effusion × 1, bowel obstruction × 1 | 15.2 | 6.1 | 0 | 0 | | Thenappan et al. [9] | LA | 15 | 2 | Wound infection × 1, incisional hernia × 1 | — | — | — | — | | O | 15 | 3 | Biliary leakage × 1, incisional hernia × 2 | — | — | — | — | | Choi et al. [10] | LA | 20 | 6 | Wound complication × 2, diaphragmatic hernia × 1, pleural effusion × 2, biliary stricture × 1 | — | — | — | — | | O | 90 | 21 | Wound complication × 5, ventral hernia × 1, pleural effusion × 4, bile leak × 8, bleeding × 1, portal versus thrombosis × 2 | — | — | — | — | | Marubashi et al. [11] | LA | 31 | 3 | — | 3.2 | 0 | 6.5 | 0 | | O | 79 | 17 | — | 8.9 | 1.3 | 11.3 | 0 | | Makki et al. [12] | LA | 26 | 4 | — | 11.5 | 0 | 3.8 | 0 | | O | 24 | 5 | — | 3.8 | 7.7 | 7.7 | 0 | | Soyama et al. [13] | LA | 67 | 7 | Biliary leakage × 2, postoperative bleeding × 2, bleeding of duodenal ulcer × 1, PV thrombus × 1, ileus × 1 | 6.0 | 0 | 4.5 | 0 | | O | 137 | 25 | Biliary leakage × 10, pleural effusion × 2, infectious complication × 3, nerve paralysis × 2, postoperative bleeding × 1, acute pancreatitis × 1, skin necrosis × 1, gastric stasis × 4, PV thrombus × 1 | 9.5 | 1.5 | 6.6 | 0.7 | | Suh et al. [14] | LA | 14 | 0 | 0 | 0 | 0 | 0 | 0 | | O | 268 | 22 | Hyperbilirubinemia × 1, pleural effusion × 6, ileus × 5, wound seroma × 2, bleeding × 3, wound infection × 3, biliary stricture × 2 | 5.2 | 2.2 | 0.7 | 0 | | Shen et al. [15] | LA | 28 | 5 | Pleural effusion × 2, pulmonary infection × 1, ileus × 1, intra-abdominal hemorrhage × 1 | 7.1 | 7.1 | 0 | 0 | | O | 20 | 1 | Pulmonary infection × 1 | 0 | 5 | 0 | 0 | | Kitajima et al. [5] | LA | 76 | 17 | Wound dehiscence × 2, intra-abdominal fluid collection × 4; hyperbilirubinemia × 1, fever × 2, renal failure × 1, small bowel obstruction × 1, atelectasis × 1, pleural effusion × 2, bile leakage × 3 | 10.5 | 7.9 | 3.9 | 0 | | O | 77 | 23 | Wound dehiscence × 5, pleural effusion × 2, ascites, × 1, portal venous thrombosis × 3, bile leakage × 5, drug-induced hepatotoxicity × 5, intraabdominal fluid collection × 1 | 19.5 | 3.9 | 6.5 | 0 |
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