Table 4.
Univariate and multivariable generalized estimating equation model of flap loss.
| Univariate analysis |
||||
|---|---|---|---|---|
| OR | (95% CI) | p-Value | ||
| Age > 60 yr | 6/204 (2.9) | 0.49 | (0.20–1.20) | 0.118 |
| Sex | 34/708 (4.8) | 0.55 | (0.19–1.63) | 0.285 |
| Vein grafting | 2/26 (7.7) | 1.61 | (0.37–7.06) | 0.530 |
| Prior radiation therapy | 22/320 (6.9) | 1.94 | (1.00–3.75) | 0.050 |
| Prior chemotherapy | 19/309 (6.1) | 1.48 | (0.77–2.84) | 0.243 |
| Prior free flap reconstruction | 26/416 (6.3) | 1.82 | (0.91–3.67) | 0.093 |
| HTN | 7/222 (3.2) | 0.53 | (0.23–1.22) | 0.134 |
| DM | 5/121 (4.1) | 0.79 | (0.30–2.06) | 0.624 |
| Liver cirrhosis | 0/12 (0) | |||
| Renal failure | 0/3 (0) | |||
| Contralateral recipient vessels | 5/106 (4.7) | 0.93 | (0.35–2.43) | 0.875 |
DM, diabetes mellitus; HTN, hypertension.