TABLE 2.
Patient characteristics.
| Factor | No. of patients | % obese | p value |
|---|---|---|---|
| Sex | .14 | ||
| Male | 391 | 20.2 | |
| Female | 191 | 25.7 | |
| Prior radiotherapy | < .0001 | ||
| Yes | 210 | 12.4 | |
| No | 372 | 27.4 | |
| Current smoking | .025 | ||
| Yes | 270 | 17.8 | |
| No | 310 | 25.5 | |
| Bone flap | .36 | ||
| Yes | 199 | 24.1 | |
| No | 375 | 20.8 | |
| ACE-27 | .22 | ||
| 0, 1 | 279 | 19.0 | |
| 2, 3 | 163 | 23.9 | |
| ASA classification | .19 | ||
| 1, 2, 3 | 523 | 22.8 | |
| 4, 5 | 59 | 15.3 | |
| Indication for surgery | .16 | ||
| Cancer | 511 | 22.9 | |
| Noncancer | 71 | 15.5 | |
| Institution | .57 | ||
| A | 138 | 20.3 | |
| B | 140 | 25.7 | |
| C | 29 | 31.0 | |
| D | 93 | 20.4 | |
| E | 49 | 16.3 | |
| F | 133 | 21.1 | |
| Flap type | .42 | ||
| Radial forearm | 334 | 22.8 | |
| Anterolateral thigh | 100 | 17.0 | |
| Fibula | 113 | 25.6 | |
| Subscapular | 24 | 12.5 | |
| Other | 11 | 27.3 | |
| Recipient site | .13 | ||
| Oral cavity | 269 | 21.6 | |
| Oropharynx | 51 | 9.8 | |
| Hypopharynx | 40 | 17.5 | |
| Skull base | 26 | 23.1 | |
| Skin | 45 | 31.1 |
Abbreviations: ACE-27, Adult Comorbidity Evaluation Index; ASA, American Society of Anesthesiologists physical classification.