Patient characteristics
| Variable/Category | No. (%) |
|---|---|
| Age at diagnosis | |
| 3 yr or older | 120 (91.6) |
| Younger than 3 yr | 11 (8.4) |
| Sex | |
| Female | 78 (59.6) |
| Male | 53 (40.4) |
| Ethnicity | |
| Asian | 2 (1.5) |
| Asian and white | 1 (0.8) |
| Black | 18 (13.8) |
| Black and white | 3 (2.3) |
| Multiple | 5 (3.8) |
| Other | 2 (1.5) |
| Unknown | 2 (1.5) |
| White | 98 (74.8) |
| Metastasis at the end of progression-free survival? | |
| Yes | 24 (18.3) |
| Spinal | 7 (5.3) |
| Intracranial | 4 (3.1) |
| Intracranial + spinal | 13 (9.9) |
| No | 112 (85.5) |