Table 3.
Patients' characteristics of those presented in first year of life versus those with older age at presentation.
| Infants (younger than or equal to 1-year old) | Older patients (older than 1-year old) | P value | |
|---|---|---|---|
| Number of cases | 18 | 108 | |
| Gender (M/F) | 10/8 | 72/36 | |
| Age range (median) | 0.66 | 4.8 | |
| Histology (%) | 0.45 | ||
| Embryonal | 88.9 | 75.9 | |
| Alveolar | 11.1 | 24.1 | |
| Site of origin (%) | 0.28 | ||
| Head and neck (%) | |||
| Parameningeal | 11.1 | 30.6 | |
| Orbit | 11.1 | 7.4 | |
| Head and neck (nonpara nonorbit) | 5.6 | 13 | |
| GU | |||
| Bladder/prostate | 11.1 | 12 | |
| Nonbladder/nonprostate | 11.1 | 7.4 | |
| Extremities | 11.1 | 11.1 | |
| Others | 38.9 | 18.5 | |
| TNM stage (%) | |||
| N1 | 5.6 | 38.9 | |
| M1 | 11.1 | 19.4 | |
| Size (%) | 0.928 | ||
| >5 | 55.6 | 57.4 | |
| ≤5 | 38.9 | 33.3 | |
| Unknown | 5.5 | 9.3 | |
| IRS stage (%) | 0.34 | ||
| I | 27.8 | 24.6 | |
| II | 27.8 | 15.1 | |
| III | 33.3 | 42.1 | |
| IV | 11.1 | 18.3 | |
| Clinical group (%) | 0.74 | ||
| I | 11 | 9 | |
| II | 6 | 4 | |
| III | 72 | 68 | |
| IV | 11 | 19 | |
| Risk (%) | 0.64 | ||
| Low | 22.2 | 15.7 | |
| Intermediate | 66.7 | 65.7 | |
| High | 11.1 | 18.6 |