Table 1.
Clinical Characteristics
| Variable | Total (%) | Non-Obese (%) | Obese (%) | p |
|---|---|---|---|---|
| No. Cases | 404 | 244 | 160 | |
| Timing of Reconstruction | 0.29 | |||
| Immediate | 252 (62.4) | 149 (61.1) | 103 (64.4) | |
| Delayed | 152 (37.6) | 95 (38.9) | 57 (35.6) | |
| Flap Type | 0.03* | |||
| msTRAM | 170 (42.1) | 93 (38.1) | 77 (48.1) | |
| Perforator | 234(57.9) | 151 (61.9) | 83 (51.9) | |
| Mastectomy Type† | ||||
| Skin-Sparing | 218 (54.0) | 128 (52.5) | 90 (56.3) | 0.77 |
| Nipple-Sparing | 12 (3.0) | 8 (3.3) | 4 (2.5) | 0.48 |
| Pre-operative Breast Size†† | 0.03* | |||
| Small | 175 (43.3) | 136 (55.7) | 39 (24.4) | |
| Medium | 125 (30.9) | 57 (23.3) | 68 (42.5) | |
| Large | 14(3.5) | 5 (2.0) | 9 (5.6) | |
| Mean Age ± SD (yr) | 50.1 ± 7.9 | 50.7 ± 8.0 | 49.2 ± 7.6 | 0.06 |
| Laterality | 0.14 | |||
| Unilateral | 234 (57.9) | 147 (60.2) | 87 (54.4) | |
| Bilateral | 170 (42.1) | 97 (39.8) | 73 (45.6) | |
| Adjuvant Chemotherapy | 131 (32.4) | 93 (38.1) | 38 (23.8) | 0.02* |
| Pre-operative Radiation | 124(30.7) | 77 (31.6) | 47 (29.4) | 0.36 |
| History of Smoking | 45 (11.1) | 19 (7.8) | 26 (16.3) | 0.01* |
| Diabetes | 119 (29.5) | 65 (26.6) | 54 (33.8) | 0.08 |
| Hypertension | 61 (15.1) | 38 (15.6) | 23 (14.4) | 0.43 |
| Hyperlipidemia | 61 (15.1) | 41 (16.8) | 20 (12.5) | 0.15 |
| Contralateral Balancing Procedure | 96 (23.8) | 58 (23.8) | 38 (23.8) | 0.55 |
| Charlson Comorbidity Scale | 2.9 ± 1.2 | 2.9 ±1.1 | 2.9 ±1.3 | 0.62 |
*
Statistically significant (p < 0.05).
†
Mastectomy type data unavailable for 174 patients. Percentages are reflective of available patient data (n = 230).
††
Pre-operative breast size data unavailable for 90 patients. Percentages are reflective of available patient data (n = 314).