Table 1.
Demographic characteristics of neuroblastoma patients and cancer-free controls for eastern Chinese children.
| Variables | Cases (n = 313) | Controls (n = 762) | Pa | ||
|---|---|---|---|---|---|
| No. | % | No. | % | ||
| Age range, month | 0.001–132.00 | 0.001–132.00 | 0.823 | ||
| Mean ± SD | 29.72 ± 28.21 | 33.04 ± 30.30 | |||
| ≤ 18 | 142 | 45.37 | 340 | 44.62 | |
| >18 | 171 | 54.63 | 422 | 55.38 | |
| Gender | 0.610 | ||||
| Female | 145 | 46.33 | 340 | 44.62 | |
| Male | 168 | 53.67 | 422 | 55.38 | |
| SITES OF ORIGIN | |||||
| Adrenal gland | 68 | 21.73 | |||
| Retroperitoneal region | 126 | 40.26 | |||
| Mediastinum | 99 | 31.63 | |||
| Other region | 20 | 6.39 | |||
a
Two-sided χ2 test between neuroblastoma patients and cancer-free controls.