Table 1: Neuroblastoma patients’ characteristics. First row indicates all the variables analyzed in NB patients, second row indicates the subgroups for each variable, and third row indicates the number of subjects in each group.

Age at diagnosis (months)SexMYCNBM infiltrationStage
<18>18MF s.c. Ampl. Neg.1+2+3+12344s

19121219229195436110122

s.c.: single copy; Ampl.: amplified; Neg.: negative.