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Multivariate Analysis of Factors Affecting Overall Survival (Cox-Proportional Hazard Ratio)
| Variable | Degree of freedom | significance | Hazard ratio |
|---|---|---|---|
| Histology | 4 | 0.004 | |
| Stage | 3 | 0.001 | |
| Age | 1 | 0.457 | |
| Treatment duration | 1 | 0.159 | 1.101 |
| Treatment Gap due to toxicity | 1 | 0.005 | 0.486 |
| ICRT dose | 2 | 0.123 | |
| Response | 2 | 0.042 | |
| Follow up Pattern | 1 | 0 | 0.246 |
