Table 1. Demographics of breast reduction patients according to pedicle.
| Total (N=760) | SMP (n=477) | IP (n=201) | SP (n=82) | P value | |
|---|---|---|---|---|---|
| Age, years | |||||
| Median [IQR] | 51 [40–60] | 50 [40–59] | 52 [40.5–61] | 55.5 [45.5–64] | 0.020 |
| <50, n (%) | 335 (44.0) | 223 (47.0) | 87 (43.0) | 25 (30.0) | 0.023 |
| ≥50, n (%) | 425 (56.0) | 254 (53.0) | 114 (57.0) | 57 (70.0) | |
| BMI, Md [range] | 27.8 [17.5–39.7] | 28.0 [18.3–38.3] | 28.0 [19.8–39.7] | 26.8 [17.5–38.4] | 0.002 |
| BMI, kg/m2, n (%) | 0.005 | ||||
| <25 | 132 (17.0) | 81 (17.0) | 26 (13.0) | 25 (32.0) | |
| 25–29 | 436 (57.0) | 277 (59.0) | 117 (59.0) | 42 (53.0) | |
| ≥30 | 181 (24.0) | 113 (24.0) | 56 (28.0) | 12 (15.0) | |
| Not known | 11 (1.0) | 6 (1.0) | 2 (1.0) | 3 (4.0) | |
| N-SN, cm, Md [range] | |||||
| Right breast | 30.0 [17.5–47.0] | 30.5 [19.0–44.0] | 30.5 [21.0–47.0] | 28.0 [17.5–35.5] | <0.001 |
| Left breast | 30.0 [16.5–47.0] | 30.5 [19.0–44.0] | 31.0 [22.0–47.0] | 27.0 [16.5–35.5] | <0.001 |
| Tissue resected, g, Md [IQR] | |||||
| Right breast | 464 [322–640] | 479 [349–658] | 491 [373–653] | 217 [114–322] | <0.001 |
| Left breast | 460 [315–658] | 480 [332–670] | 500 [344–694] | 242 [155–353] | <0.001 |
| Smoking | 0.549 | ||||
| No | 655 (86.0) | 414 (87.0) | 175 (87.0) | 66 (81.0) | |
| Yes | 46 (6.0) | 26 (5.0) | 13 (7.0) | 7 (8.0) | |
| Not known | 59 (8.0) | 37 (8.0) | 13 (7.0) | 9 (11.0) | |
| Comorbidities, n (%) | |||||
| Cardiovascular diseases | 161 (21.0) | 100 (21.0) | 48 (24.0) | 13 (16.0) | 0.319 |
| Asthma | 53 (7.0) | 32 (7.0) | 17 (8.0) | 4 (5.0) | 0.525 |
| Diabetes Mellitus | 35 (5.0) | 25 (5.0) | 8 (4.0) | 2 (2.0) | 0.474 |
| Other diseases | 163 (21.0) | 107 (22.0) | 40 (20.0) | 16 (19.0) | 0.690 |
| Laterality, n (%) | <0.001 | ||||
| Bilateral | 578 (76.0) | 388 (81.0) | 162 (81.0) | 28 (34.0) | |
| Unilateral | 182 (24.0) | 89 (19.0) | 39 (19.0) | 54 (66.0) | |
| Drain, n (%) | 0.080 | ||||
| No | 396 (52.0) | 256 (54.0) | 92 (46.0) | 48 (59.0) | |
| Yes | 364 (48.0) | 221 (46.0) | 109 (54.0) | 34 (41.0) | |
| Late corrective operations, n (%) | 0.045 | ||||
| No | 675 (89.0) | 423 (89.0) | 173 (86.0) | 79 (96.0) | |
| Yes | 85 (11.0) | 54 (11.0) | 28 (14.0) | 3 (4.0) | |
| Complication, n (%) | <0.001 | ||||
| No | 470 (62.0) | 305 (64.0) | 101 (50.0) | 64 (78.0) | |
| Minor | 259 (34.0) | 147 (31.0) | 94 (47.0) | 18 (22.0) | |
| Major | 31 (4.0) | 25 (5.0) | 6 (3.0) | 0 (0.0) | |
| Operating surgeon, n (%) | |||||
| Resident | 293 (39.0) | 188 (39.0) | 83 (41.0) | 22 (27.0) | |
| Plastic surgeon | 467 (61.0) | 289 (61.0) | 118 (59.0) | 60 (73.0) | |
| Follow-up time, years, Md [IQR] | 2.7 [1.5–4.6] | 2.3 [1.2–4.5] | 3.2 [2.0–4.7] | 3.1 [2.2–4.7] | |
Differences between pedicle groups were tested using Kruskall-Wallis or Pearson Chi-Square test. N, number of participants; n, number of participants in the subgroup; Md, median; IQR, interquartile range; SMP, superomedial pedicle; IP, inferior pedicle; SP, superior pedicle; BMI, body mass index; N-SN, nipple to sternal notch distance.