Table 1 Comparison of baseline characteristics between DIEP flap versus TE/I groups.
TE/I group | DIEP flap group | p-value | |
|---|---|---|---|
Patient No | 1,078 | 302 | |
Case No | 1,162 | 312 | |
Laterality (per patient) | |||
Unilateral | 994 (95.9%) | 292 (96.7%) | |
Bilateral | 84 (4.1%) | 10 (3.3%) | |
Age, mean (± SD), (yrs) | 43.6 (± 7.5) | 46.3 (± 6.6) | < 0.001 |
BMI, mean (± SD), (kg/m2) | 22.2 (± 2.9) | 23.6 (± 3.4) | < 0.001 |
Normal weight | 925 (79.6%) | 212 (67.9%) | < 0.001 |
Underweight | 61 (5.2%) | 9 (2.9%) | |
Overweight/Obesity | 176 (15.1%) | 91 (29.2%) | |
Diabetes | 14 (1.2%) | 5 (1.6%) | 0.580 |
Hypertension | 58 (5.0%) | 25 (8.0%) | 0.040 |
Smoking | 19 (1.6%) | 7 (2.2%) | 0.468 |
Type of mastectomy | < 0.001 | ||
Nipple-sparing | 327 (28.1%) | 39 (12.5%) | |
Skin-sparing | 835 (71.9%) | 273 (87.5%) | |
Mastectomy weight, mean (± SD), (gram) | 393.7 (± 216.2) | 479.9 (± 206.1) | < 0.001 |
Neoadjuvant chemotherapy | 0.029 | ||
Received | 83 (7.1%) | 34 (10.9%) | |
Not received | 1082 (92.9%) | 278 (89.1%) | |
Adjuvant chemotherapy | 0.106 | ||
Received | 449 (38.6%) | 105 (33.7%) | |
Not received | 713 (61.4%) | 207 (66.3%) | |
Adjuvant radiotherapy | 0.450 | ||
Received | 223 (19.2%) | 54 (17.3%) | |
Not received | 939 (80.8%) | 258 (82.7%) |
