Table 1. Clinical and surgical characteristics.
| Overall patients (%) | Pure hemi-periareolar incision (%) | Conventional lateral radial incision (%) | P | |
|---|---|---|---|---|
| No. of patients | 56 | 36 | 20 | |
| No. of breasts | 61 | 41 | 20 | |
| Mean age ± SD, yr | 46.8±8.2 | 46.9±7.4 | 46.6±9.8 | 0.779 |
| Mean BMI ± SD, kg/m2 | 22.3±2.6 | 22.4±2.8 | 22.1±2.2 | 0.775 |
| Hypertension | 5 (8.9) | 4 (11.1) | 1 (5.0) | >0.999 |
| Diabetes | 3 (5.4) | 2 (5.6) | 1 (5.0) | >0.999 |
| Smoking history | 3 (5.4) | 2 (5.6) | 1 (5.0) | >0.999 |
| Previous chemotherapy | 9 (16.1) | 6 (16.7) | 3 (15.0) | >0.999 |
| Mastectomy weight ± SD, g | 248.1±133.9 | 242.5±135.7 | 259.5±132.7 | 0.490 |
| Implant volume ± SD, mL | 296.5±98.0 | 297.9±99.7 | 293.5±96.7 | >0.999 |
| Implant position | 0.283 | |||
| Prepectoral | 31 (50.8) | 23 (56.1) | 8 (40.0) | |
| Subpectoral | 30 (49.2) | 18 (43.9) | 12 (60.0) | |
| Sternal notch to nipple distance† | 22.0±2.4 | 22.0±2.2 | 22.0±2.8 | 0.661 |
| Axillary lymph node management | 0.001* | |||
| None | 4 (6.6) | 3 (7.3) | 1 (5.0) | |
| SLNB | 39 (63.9) | 32 (78.0) | 7 (35.0) | |
| ALND | 18 (29.5) | 6 (14.6) | 12 (60.0) | |
| Duration of drain insertion ± SD, day | 10.6±2.9 | 9.9±2.4 | 12.1±3.3 | 0.007* |
SD, standard deviation; BMI, body mass index; SLNB, sentinel lymph node biopsy; ALND, axillary lymph node dissection. *Statistically significant; †Sternal notch to nipple distance was measured using Crisalix 3D Surface Imager (Crisalix, S.A., Lausanne, Switzerland).