TABLE 1.
Clinical characteristics
| Covariate | Full sample (n = 232) |
|---|---|
| Sex | |
| Female n (%) | 56 (24) |
| Male | 176 (76) |
| Age | |
| Mean (SD) | 67.3 (9.6) |
| Median (Min, Max) | 67 (50, 86) |
| Age categories | |
| 50–64 | 95 (41) |
| 65+ | 137 (59) |
| Tumor site | |
| Skin/Thyroid/Salivary gland | 97 (42) |
| Oral cavity/OPC/Hyx/Larynx | 133 (58) |
| Smoking status | |
| Quit/Non‐smoker | 185 (80) |
| Current | 47 (20) |
| ASA | |
| ASA 1,2 | 21 (9) |
| ASA 3,4,5 | 205 (91) |
| Comorbidity score | |
| Mild/none | 143 (62) |
| Moderate/severe | 89 (38) |
| Operative hours | |
| Mean (SD) | 9.2 (2.7) |
| Median (Min, Max) | 9.1 (3.5, 20.5) |
| Free flap | |
| No | 56 (24) |
| Yes | 176 (76) |
| Preoperative hemoglobin | |
| Mean (SD) | 138.8 (15) |
| Braden scale score | |
| Mean (SD) | 14.9 (2.8) |
| Median (Min, Max) | 14 (9, 23) |
| Braden scale categories | |
| 1 very high risk ≤9 | 1 (0) |
| 2 high risk 10‐12 | 37 (16) |
| 3 moderate risk 13‐14 | 83 (36) |
| 4 mild risk 15‐18 | 85 (37) |
| 5 no risk 16‐23 | 26 (11) |
Note: Numbers not adding up to 232 reflect missing data. Measured using the ACE‐27 co‐morbidity index.
Abbreviations: ASA, American Society of Anesthesia; Hyx, hypopharynx; OPC, oropharynx.