Table 1 Patient characteristics
Variables | n (range or ratio) |
|---|---|
Age, years, median (range) | 41 (33 to 65 ) |
BMI, kg/m2, mean (range) | 22.5 (16.3 to 32.6) |
Comorbidities | |
Diabetes | 28 (9.3%) |
Hypertension | 36 (12.0%) |
Ischemic heart disease | 14 (4.7%) |
Breast cup size | |
≤A | 113 (37.7%) |
B | 139 (46.3%) |
≥C | 48 (16.0%) |
Tumor size, cm, median (range) | 2.6 (1.5 to 5.2 ) |
Tumor location, n (%) | |
Outer upper quadrant | 96 (32.0%) |
Outer lower quadrant | 86 (28.7%) |
Inner upper quadrant | 64 (21.3%) |
Inner lower quadrant | 54 (18.0%) |
T stage, n (%) | |
pTis | 50 (16.7%) |
pT1 | 102 (34.0%) |
pT2 | 132 (44.0%) |
pT3 | 9 (3.0%) |
NA | 7 (2.3%) |
N stage, n (%) | |
pN0 | 216 (73.7%) |
pN+ | 77 (26.3%) |
Histopathological type, n (%) | |
Invasive ductal carcinoma | 243 (81.0%) |
Intraductal carcinoma in situ | 50 (16.7%) |
Phyllodes tumor | 7 (2.3%) |
Previous abdominal surgeries, n (%) | |
Cesarean section | 17 (5.6%) |
Laparoscopic cholecystectomy | 12 (4.0%) |
Appendectomy | 11 (3.7%) |
Hysterectomy and/or oophorectomy | 3 (1.0%) |
Others | 4 (1.3%) |
Neoadjuvant chemotherapy, n (%) | 75 (25.0%) |
Postoperative radiotherapy, n (%) | 67 (22.3%) |
Follow-up periods, months, median (range) | 32 (10 to 55 ) |