Table S2.
Frequency distribution of demographic characteristics for combined subjects
| Variables | Cases (N=429)
|
Controls (N=884)
|
P-valuea | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Age range, month | 0.00–132 | 0.07–156 | 0.119 | ||
| Mean ± SD | 34.61±27.49 | 34.08±28.25 | |||
| ≤18 | 146 | 34.03 | 340 | 38.46 | |
| >18 | 283 | 65.97 | 544 | 61.54 | |
| Gender | 0.840 | ||||
| Female | 185 | 43.12 | 376 | 42.53 | |
| Male | 244 | 56.88 | 508 | 57.47 | |
| Clinical stages | |||||
| I | 84 | 19.58 | – | – | |
| II | 95 | 22.14 | – | – | |
| III | 77 | 17.95 | – | – | |
| IV | 150 | 34.97 | – | – | |
| 4s | 14 | 3.26 | – | – | |
| NA | 9 | 2.10 | |||
| Sites of origin | |||||
| Adrenal gland | 164 | 38.23 | – | – | |
| Retroperitoneal region | 96 | 22.38 | – | – | |
| Mediastinum | 123 | 28.67 | – | – | |
| Other regions | 38 | 8.86 | – | – | |
| NA | 8 | 1.86 | |||
Notes:
a
Two-sided χ2 test for distributions between neuroblastoma patients and controls. “–” indicates no value.
Abbreviation: NA, not available.