Table 3.
Results of multivariate analysis for independent variables associated with death and EFS
| EFS | p | LF | p | |
|---|---|---|---|---|
| Variables | HR (95% CI) | HR (95% CI) | ||
| Type of treatment | ||||
| Surgery | 1.00 | 1.00 | ||
| Surgery + Radiotherapy | 0.88 (0.28–2.74) | 0.829 | * | * |
| Radiotherapy | 1.84 (0.63–5.41) | 0.267 | 1.01 (0.08–12.8) | 0.991 |
| Age group | - | |||
| ≤ 15 years | 1.00 | - | ||
| > 15 years | 2.12 (0.96–4.71) | 0.064 | - | |
| Risk group | - | |||
| Low | 1.00 | - | ||
| High | 1.41 (0.53–3.71) | 0.489 | - | |
| LDH | ||||
| ≥ 1.5 x ULN | - | 6.28 (0.50–79.1) | 0.155 | |
| < 1.5 x ULN | - | 1.00 | ||
*It is not possible to estimate risk because the interval tends to infinity
EFS event-free survival, LF local failure, HR hazard ratio, 95% CI, 95% confidence interval, LDH lactate dehydrogenase, ULN upper limit of normal