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Multivariate analysis for overall survival
| Criteria | Hazard ratio | 95% confidence interval | p-value | |
|---|---|---|---|---|
| Dose (Gy) | ||||
| ≤ 60 | 1.0 | 0.03-1.16 | 0.07 | |
| > 60 | 0.20 | |||
| Age (years) | ||||
| ≤ 55 | 1.0 | 0.73-19.92 | 0.113 | |
| 55-61 | 3.81 | 0.61-11.75 | 0.190 | |
| > 61 | 2.69 | |||
| Tumor stage | ||||
| T1 | 1.0 | 1.18-33.1 | 0.03 | |
| T2 or higher | 6.25 | |||
