Table 3.
Prognostic factors of survival for 87 patients with SCC/IP
| Characteristics | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| OS (5-year rate), % | P | Relative risk (95% CI) | P | |
| Age (years) | 0.007 | |||
| ≤50 | 31.9 | |||
| >50 | 46.6 | 1.038 (1.010–1.066) | ||
| Gender | – | |||
| Male | 38.7 | 0.801 | ||
| Female | 44.8 | |||
| Tumor stage | 0.000 | |||
| I–II | 64.2 | 0.000 | 1 | |
| III | 59.7 | 0.179 (0.056–0.571) | ||
| IV | 19 | 0.211 (0.092–0.481) | ||
| Cranial base and orbit invasion | ||||
| Yes | 26.9 | 0.003 | ||
| No | 47.5 | |||
| Synchronous or metachronous | 0.000 | |||
| Metachronous | 29.7 | 0.020 | 4.34 (1.957–9.625) | |
| Synchronous | 65.7 | |||
| Differentiation | 0.448 | |||
| Well | 48.5 | 0.349 | 1 | |
| Moderately | 39.2 | 0.865 (0.375–1.996) | ||
| Poorly | 30.0 | 0.640 (0.314–1.305) | ||
| Treatments | 0.551 | |||
| Single surgery | 38.6 | 0.688 | 0.808 (0.402–1.627) | |
| Combined treatment | 40.2 | |||
SCC: Squamous cell carcinoma; IP: Inverted papilloma; OS: Overall survival; CI: Confidence interval.