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Cox regression modela analysis
| Variables | Hazard ratio | 95% CI | P value | |
|---|---|---|---|---|
| LL | UL | |||
| TRT timing | ||||
| Early TRT | 1.000 | — | — | .004b |
| Late TRT | 1.835 | 1.211 | 2.781 | |
| TRT duration | ||||
| Short <=31 d | 1.000 | — | — | .017b |
| Long >31 d | 1.643 | 1.094 | 2.467 | |
| RT fractionation | ||||
| Once daily | — | — | — | .631 |
| Twice daily | — | — | — | |
CI, confidence interval; LL, lower limit; RT, radiotherapy; TRT, thoracic radiotherapy; UL upper limit.
Adjusted for TRT timing, RT duration and RT fractionation.
Statistically significant.
