Table 2 Univariate and multivariate analysis of event‐free survival in 91 children with NB

Sex

 male

ref

ref

 female

1.245 (0.652–2.378)

0.506

1.235 (0.618–2.466)

0.550

Age (months)

  < 18

ref

ref

  ≥ 18

5.383 (1.293–22.412)

0.021*

2.483 (0.573–10.762)

0.224

BPTF

  < 0.331

ref

ref

  ≥ 0.331

2.160 (1.121–4.161)

0.021*

2.349 (1.146–4.813)

0.020*

MYCN status

 Amplification

3.726 (1.793–7.740)

 < 0.001*

4.408 (2.002–9.705)

 < 0.001*

 Not amplification

ref

ref

11q23 status

 LOH

2.976 (1.550–5.712)

0.001*

3.068 (1.560–6.035)

0.001*

 No loss

ref

ref