Table 3.
Subgroup analysis of categorical outcomes
| Outcomes | PD | DP | Overall | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | MIPS | OPS | OR (95% c.i.) | n | MIPS | OPS | OR (95% c.i.) | n | MIPS | OPS | OR (95% c.i.) | |
| Mortality rate | 818 | 13 (3.2) | 10 (2.5) | 1.18 (0.30 to 4.63) | 166 | 0 (0) | 2 (2.3) | 0.34 (0.03 to 3.37) | 984 | 13 (2.6) | 12 (2.4) | 0.94 (0.34 to 2.56) |
| Clavien–Dindo ≥grade III | 818 | 118 (28.7) | 103 (25.3) | 1.01 (0.55 to 1.86) | 166 | 43 (53.8) | 29 (33.7) | 1.61 (0.13 to 20.37) | 984 | 161 (32.8) | 132 (26.8) | 1.15 (0.55 to 2.39) |
| POPF | 818 | 49 (11.9) | 57 (14.0) | 0.83 (0.54 to 1.25) | 166 | 29 (36.3) | 24 (27.9) | 1.34 (0.47 to 3.87) | 984 | 78 (15.9) | 81 (16.4) | 0.96 (0.61 to 1.50) |
| PPH | 818 | 48 (11.7) | 50 (12.3) | 0.95 (0.62 to 1.45) | 166 | 3 (3.8) | 2 (2.3) | 1.49 (0.27 to 8.13) | 984 | 51 (10.4) | 52 (10.5) | 0.97 (0.64 to 1.47) |
| DGE | 818 | 115 (27.9) | 120 (29.5) | 0.93 (0.53 to 1.63) | 166 | 4 (5.0) | 6 (7.0) | 0.76 (0.04 to 14.69) | 984 | 119 (24.2) | 126 (25.6) | 0.89 (0.49 to 1.61) |
| Bile leakage | 818 | 49 (11.9) | 52 (12.8) | 0.93 (0.61 to 1.42) | ns | ns | ns | ns | 818 | 49 (11.9) | 52 (12.8) | 0.93 (0.61 to 1.42) |
| SSI | 163 | 6 (7.3) | 15 (18.5) | 0.35 (0.12 to 0.96) | 108 | 2 (3.9) | 3 (5.3) | 0.73 (0.12 to 4.58) | 271 | 8 (6) | 18 (13.0) | 0.41 (0.17 to 1.01) |
| Readmission | 818 | 27 (6.6) | 23 (5.7) | 1.16 (0.63 to 2.12) | 166 | 19 (23.8) | 20 (23.3) | 1.05 (0.51 to 2.16) | 984 | 46 (9.4) | 43 (8.7) | 1.11 (0.70 to 1.77) |
| Reoperation | 818 | 24 (5.8) | 20 (4.9) | 1.08 (0.29 to 3.97) | 108 | 1 (2.0) | 3 (5.3) | 0.36 (0.04 to 3.58) | 926 | 25 (5.4) | 23 (5.0) | 0.93 (0.30 to 2.87) |
| R0 resection | 818 | 381 (92.7) | 370 (90.9) | 1.41 (0.80 to 2.46) | 29 | 11 (57.9) | 4 (40.0) | 1.75 (0.33 to 9.30) | 847 | 392 (91.2) | 374 (89.7) | 1.44 (0.85 to 2.45) |
Values are n (%) unless otherwise indicated. PD, partial pancreatoduodenectomy; DP, distal pancreatectomy; MIPS, minimally invasive pancreatic surgery; OPS, open pancreatic surgery; OR, odds ratio; POPF, postoperative pancreatic fistula; PPH, post-pancreatectomy haemorrhage; DGE, delayed gastric emptying; SSI, surgical site infection; ns, not specified.