Table 4. Multivariable-adjusted logistic regression analysis to identify predictors for occurrence of overall complications (N=760).
| The occurrence of overall complications | ||||
|---|---|---|---|---|
| N | n (%) | OR | (95% CI) | |
| Pedicle | ||||
| Superomedial | 477 | 172 (36.0) | 1.00 | |
| Inferior | 201 | 100 (50.0) | 1.89 | (1.33–2.69) |
| Superior | 82 | 18 (22.0) | 0.92 | (0.50–1.68) |
| Age, years | ||||
| <50 | 335 | 161 (48.0) | 1.87 | (1.32–2.65) |
| ≥50 | 425 | 129 (30.0) | 1.00 | |
| BMI | ||||
| <25 | 132 | 45 (34.0) | 1.00 | |
| 25.0–29.9 | 436 | 169 (39.0) | 1.07 | (0.69–1.66) |
| ≥30 | 181 | 74 (41.0) | 1.11 | (0.65–1.89) |
| Not known | 11 | 2 (18.0) | 0.65 | (0.13–3.36) |
| Cardiovascular disease | ||||
| No | 599 | 240 (40) | 1.00 | |
| Yes | 161 | 50 (31.0) | 0.84 | (0.54–1.29) |
| Laterality | ||||
| Unilateral | 182 | 38 (21.0) | 1.00 | |
| Bilateral | 578 | 252 (44.0) | 1.67 | (1.00–2.76) |
| Resected tissue*/one breast | ||||
| <650 g | 567 | 191 (34.0) | 1.00 | |
| ≥650 g | 189 | 99 (52.0) | 2.02 | (1.36–2.99) |
| Not known | 4 | 0 (0.0) | – | |
| N-SN | ||||
| <33 cm | 497 | 204 (41.0) | 1.00 | |
| ≥33 cm | 230 | 80 (35.0) | 0.87 | (0.58–1.32) |
| Not known | 33 | 6 (18.0) | 0.64 | (0.23–1.79) |
| Drain | ||||
| No | 396 | 141 (36.0) | 1.00 | |
| Yes | 364 | 149 (41.0) | 1.21 | (0.88–1.67) |
| Operating surgeon | ||||
| Resident | 293 | 133 (45.0) | 1.00 | |
| Plastic surgeon | 467 | 157 (34.0) | 0.74 | (0.53–1.02) |
Results were shown using OR with 95% CI, with number of participants (N) and number (n) of any complications. *, upper interquartile range (see Table 1). OR, odds ratio; CI, confidence interval; BMI, body mass index; N-SN, nipple to sternal notch distance.