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| Variables | Multivariate survival analyses | ||
|---|---|---|---|
| HR | 95% CI | P value | |
| Age | 0.005 | ||
| <2-year-old | 1.000 | – | – |
| ≥2-year-old | 3.240 | 1.433–7.326 | – |
| Multiple or single | 0.047 | ||
| Single | 1.000 | – | – |
| Multiple | 2.395 | 1.057–5.430 | 0.036 |
| Unknown | 0.670 | 0.190–2.367 | 0.534 |
HB, hepatoblastoma; HR, hazard ratio; CI, confidence interval.
