Table 3 Multivariable analysis for patients after LRRT
Characteristic | Hazard ratio | 95%CI | P value |
|---|---|---|---|
No. of metastatic organs | |||
1 | Reference | ||
> 1 | 2.177 | 1.445–3.281 | < 0.001 |
No. of metastatic lesions | |||
≤ 5 | Reference | ||
> 5 | 2.772 | 1.860–4.132 | < 0.001 |
EBV-DNA (Copies/ml) | |||
≤ 25,000 | Reference | ||
> 25,000 | 1.355 | 0.956–1.355 | 0.035 |
LRRT technique | |||
2DCRT | Reference | ||
IMRT | 0.935 | 0.667–1.312 | 0.699 |