Table S1.
Frequency distribution of demographic characteristics for Wenzhou subjects
| Variables | Cases (N=36)
|
Controls (N=72)
|
P-valuea | ||
|---|---|---|---|---|---|
| Number | % | Number | % | ||
| Age range, month | 0.05–72 | 8–72 | 0.496 | ||
| Mean ± SD | 20.25±20.73 | 23.58±15.36 | |||
| ≤18 | 20 | 55.56 | 35 | 48.61 | |
| >18 | 16 | 44.44 | 37 | 51.39 | |
| Gender | 1.000 | ||||
| Female | 17 | 47.22 | 34 | 47.22 | |
| Male | 19 | 52.78 | 38 | 52.78 | |
| Clinical stages | |||||
| I | 15 | 41.67 | – | – | |
| II | 2 | 5.56 | – | – | |
| III | 9 | 25.00 | – | – | |
| IV | 7 | 19.44 | – | – | |
| 4s | 3 | 8.33 | – | – | |
| Sites of origin | |||||
| Adrenal gland | 11 | 30.56 | – | – | |
| Retroperitoneal region | 9 | 25.00 | – | – | |
| Mediastinum | 14 | 38.89 | – | – | |
| Other regions | 2 | 5.56 | – | – | |
Notes:
a
Two-sided χ2 test for distributions between neuroblastoma patients and controls. “–” indicates no value.