Table 1. Association of CASZ1b and CASZ1a Expression Level with Prognostic Factors (n = 59).

Factor	n	Number (%) of Patients with CASZ1b Expression ≥ 0.9468 (median)	p-value*
Age
<18 months	33	22 (67)	0.0038
≥18 months	26	7 (27)
INSS Stage
1,2,3,4s	32	20 (63)	0.0370
4	27	9 (33)
Risk Group
Low/Intermediate	30	21 (70)	0.0017
High	29	8 (28)
MYCN
Not amplified	39	26 (67)	0.0003
Amplified	20	3 (15)
Shimada histology
Favorable	27	21 (78)	0.0002
Unfavorable	29	8 (28)
Unknown	3
Ploidy
Hyperdiploid	38	22 (58)	0.1033
Diploid	21	7 (33)
1p
No LOH	39	25 (64)	0.0030
LOH	17	3 (18)
Unknown	3
11q
No LOH	39	15 (38)	0.0186
LOH	17	13 (76)
Unknown	3

*From 2-sided Fisher's Exact Test.