Table 4.
Univariate Analysis of Complications
| Total | Postpartum | Dietary massive weight loss | Bariatric massive weight loss | P-valuea | |
|---|---|---|---|---|---|
| No. of patients | 910 | 718 | 65 | 127 | — |
| Major flap necrosis (%) | 1.65(15) | 1.39(10) | 1.54(1) | 3.15(4) | Postpartum vs dietary 0.924 Postpartum vs bariatric 0.153 Dietary vs bariatric 0.507 |
| Minor flap necrosis (%) | 3.96(36) | 4.04(29) | 1.54(1) | 4.72(6) | Postpartum vs dietary 0.315 Postpartum vs bariatric 0.721 Dietary vs bariatric 0.265 |
| Fat necrosis (%) | 3.29(30) | 2.92(21) | 3.08(2) | 5.51(7) | Postpartum vs dietary 0.945 Postpartum vs bariatric 0.133 Dietary vs bariatric 0.450 |
| Seroma (%) | 13.08(119) | 11.28(81) | 20.00(13) | 19.68(25) | Postpartum vs dietary 0.038b
Postpartum vs bariatric 0.008b Dietary vs bariatric 0.959 |
| Infection (%) | 3.52(32) | 3.76(27) | 0 | 3.93(5) | Postpartum vs dietary 0.112 Postpartum vs bariatric 0.923 Dietary vs bariatric 0.105 |
| Hematoma (%) | 0.88(8) | 0.84(6) | 0 | 1.57(2) | Postpartum vs dietary 0.459 Postpartum vs bariatric 0.428 Dietary vs bariatric 0.309 |
| Venous thromboembolism (%) | 1.54(14) | 1.25(9) | 1.54(1) | 3.15(4) | Postpartum vs dietary 0.845 Postpartum vs bariatric 0.110 Dietary vs bariatric 0.507 |
| Any complication (%) | 24.28(221) | 22.70(163) | 27.69(18) | 31.49(40) | Postpartum vs dietary 0.361 Postpartum vs bariatric 0.030b Dietary vs bariatric 0.587 |
| Ischemic complicationc (%) | 8.24(75) | 7.79(56) | 6.15(4) | 11.81(15) | Postpartum vs dietary 0.663 Postpartum vs bariatric 0.133 Dietary vs bariatric 0.214 |
| Multiple complications (%) | 3.19(29) | 2.36(17) | 0 | 9.45(12) | Postpartum vs dietary 0.361 Postpartum vs bariatric <0.001b Dietary vs bariatric 0.010b |
| Revision (%) | 4.51(41) | 4.59(33) | 3.08(2) | 4.72(6) | Postpartum vs dietary 0.570 Postpartum vs bariatric 0.949 Dietary vs bariatric 0.589 |
aCalculated by χ² test. bStatistically significant difference between groups. cAny flap necrosis or fat necrosis.