Univariate and Multivariate Analysis of Prognostic Factors in All Patients (n = 98)
| Multivariate analysis (Cox proportional hazards models) | ||||
|---|---|---|---|---|
| Prognostic factor | P for univariate analysis (log-rank test) | Hazard ratio | 95% confidence interval | P |
| Age (≤65 y/>65 y) | 0.5168 | 1.5120 | 0.7427–3.2389 | 0.2586 |
| Sex (male/female) | 0.2396 | 1.4543 | 0.5514–4.3476 | 0.4612 |
| Histology (AC/non-AC) | 0.6817 | 1.2277 | 0.6055–2.5445 | 0.5711 |
| Stage (I–II/III–IV) | 0.0031 | 3.2587 | 1.4726–7.8306 | 0.0031 |
| SUVmax of 18F-FDG PET (>11/≤11) | 0.0481 | 1.1700 | 0.5119–2.5692 | 0.7015 |
| SUVmax of 18F-FMT PET (>1.6/≤1.6) | 0.0129 | 1.6529 | 0.7333–3.8988 | 0.2284 |
AC = adenocarcinoma.