Table 4.
Subgroup analysis of overall survival.
| Factor | Group | n | Survival rate (%) | p | |||
|---|---|---|---|---|---|---|---|
| 1-y | 2-y | 3-y | 5-y | ||||
| KPS | <80 | 23 | 35.5 | 9.5 | – | – | 0.000 |
| ≥80 | 90 | 70.3 | 51.8 | 35.7 | 26.0 | ||
| D90 (Gy) | ≤90 | 16 | 16.8 | 8.4 | – | – | 0.000 |
| >90, ≤130 | 44 | 64.7 | 40.1 | 16.7 | – | ||
| >130 | 53 | 76.1 | 58.5 | 47.8 | 42.5 | ||
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