TABLE 4.
Univariate logistic regression analyzing medical complications.
| Factors | OR (95% CI) | p value |
|---|---|---|
| Age, per y | 1.04 (1.02–1.05) | < .0001 |
| Obesity | .26 | |
| Yes | 0.80 (0.50–1.21) | |
| No | 1 | |
| Sex | .10 | |
| Male | 0.73 (0.51–1.06) | |
| Female | 1 | |
| Prior radiotherapy | .24 | |
| Yes | 0.80 (0.55–1.16) | |
| No | 1 | |
| Current smoking | .60 | |
| Yes | 1.07 (0.75–1.53) | |
| No | 1 | |
| Bone flap | .76 | |
| Yes | 1.06 (0.73–1.54) | |
| No | 1 | |
| ACE-27 | < .0001 | |
| 2, 3 | 2.78 (1.83–4.22) | |
| 0, 1 | 1 | |
| ASA classification | .08 | |
| 4, 5 | 1.64 (0.95–2.86) | |
| 1, 2, 3 | 1 | |
| Indication for surgery | .07 | |
| Cancer | 1.75 (0.96–3.18) | |
| Noncancer | 1 | |
| Institution | .65 | |
| A | 0.86 (0.51–1.43) | |
| B | 0.84 (0.50–1.40) | |
| C | 1.03 (0.44–2.40) | |
| D | 0.61 (0.33–1.10) | |
| E | 1.04 (0.52–2.07) | |
| F | 1 | |
| Flap type | .52 | |
| Radial forearm | 2.04 (0.43–9.58) | |
| Anterolateral thigh | 1.58 (0.32–7.80) | |
| Fibula | 2.10 (0.43–10.24) | |
| Subscapular | 3.21 (0.57–18.20) | |
| Other | 1 | |
| Recipient site | .53 | |
| Oral cavity | 1.19 (0.58–2.41) | |
| Oropharynx | 1.93 (0.81–4.57) | |
| Hypopharynx | 1.32 (0.52–3.37) | |
| Skull base | 1.01 (0.34–3.01) | |
| Skin | 1 |
Abbreviations: OR, odds ratio; 95% CI, 95% confidence interval; ACE-27, Adult Comorbidity Evaluation Index; ASA, American Society of Anesthesiologists physical classification.