Table 1.
Frequency distribution of selected variables in hepatoblastoma patients and cancer-free controls
| Variables | Cases (n=313) | Controls (n=1446) | P a | ||
|---|---|---|---|---|---|
|
|
|
||||
| No. | % | No. | % | ||
| Age range, month | 0.03-149.97 | 0.004-156.00 | |||
| Mean ± SD | 23.75 ± 25.93 | 25.23 ± 19.38 | 0.251b | ||
| <17 | 168 | 53.67 | 642 | 44.40 | |
| ≥17 | 145 | 46.33 | 804 | 55.60 | |
| Gender | 0.983 | ||||
| Female | 129 | 41.21 | 595 | 41.15 | |
| Male | 184 | 58.79 | 851 | 58.85 | |
| Clinical stages | |||||
| I | 97 | 30.99 | / | / | |
| II | 63 | 20.13 | / | / | |
| III | 64 | 20.45 | / | / | |
| IV | 27 | 8.63 | / | / | |
| NA | 62 | 19.81 | / | / | |
SD, standard deviation, NA, not available.
a
Two-sided χ2 test for distributions between hepatoblastoma cases and cancer-free controls.
b
T-test for age distribution between hepatoblastoma patients and cancer-free controls.