Table 2. Multivariate Logistic Regression Analysis of Variables Associated With Risk of In-Hospital Mortality and Postoperative Complications.
| Variable | Odds Ratio (95% CI) |
|---|---|
| In-Hospital Mortality | |
| Urgent/emergent admission | 1.79 (1.14-2.82) |
| Flap reconstruction | 2.97 (1.73-5.09) |
| Comorbidity score of 2 | 4.42 (2.29-8.52) |
| Comorbidity score of ≥3 | 7.93 (3.87-16.24) |
| Very high-volume hospital | 0.45 (0.23-0.88) |
| Postoperative Surgical Complications | |
| Urgent/emergent admission | 1.91 (1.65-2.20) |
| Age >80 y | 2.33 (1.45-3.76) |
| Hypopharynx primary site | 1.35 (1.16-1.58) |
| Flap reconstruction | 2.04 (1.71-2.44) |
| Medicare | 1.20 (1.03-1.41) |
| Medicaid | 1.19 (1.01-1.41) |
| Comorbidity score of 1 | 1.58 (1.41-1.76) |
| Comorbidity score of 2 | 2.72 (2.35-3.14) |
| Comorbidity score of ≥3 | 5.22 (4.18-6.52) |
| Medium-volume hospital | 0.81 (0.66-0.98) |
| High-volume hospital | 0.72 (0.58-0.88) |
| Very high-volume hospital | 0.63 (0.50-0.79) |
| Acute Medical Complications | |
| Urgent/emergent admission | 2.02 (1.73-2.35) |
| Age 65-80 y | 1.77 (1.00-3.13) |
| Age >80 y | 2.85 (1.57-5.15) |
| Hypopharynx primary site | 1.19 (1.00-1.41) |
| Flap reconstruction | 1.70 (1.40-2.06) |
| Medicare | 1.29 (1.07-1.55) |
| Comorbidity score of 1 | 1.90 (1.67-2.17) |
| Comorbidity score of 2 | 3.92 (3.33-4.60) |
| Comorbidity score of ≥3 | 7.49 (5.92-9.46) |
| Medium-volume hospital | 0.74 (0.59-0.92) |
| High-volume hospital | 0.66 (0.52-0.84) |
| Very high-volume hospital | 0.63 (0.48-0.81) |