Table 2. Association of CASZ1b and CASZ1a Expression Level with Prognostic Factors (n = 59).
| Factor | n | Number (%) of Patients with CASZ1a Expression ≥0.9195 (median) | p-value* |
| Age | |||
| <18 months | 33 | 20 (61) | 0.0673 |
| ≥18 months | 26 | 9 (35) | |
| 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 | 18 (67) | 0.0372 |
| Unfavorable | 29 | 11 (38) | |
| Unknown | 3 | ||
| Ploidy | |||
| Hyperdiploid | 38 | 22 (58) | 0.1033 |
| Diploid | 21 | 7 (33) | |
| 1p | |||
| No LOH | 39 | 25 (64) | 0.0083 |
| LOH | 17 | 4 (24) | |
| Unknown | 3 | ||
| 11q | |||
| No LOH | 39 | 14 (36) | 0.0030 |
| LOH | 17 | 14 (82) | |
| Unknown | 3 |
*From 2-sided Fisher's Exact Test.