TABLE I.
Characteristics of 956 Patients Who Underwent Tumor Resection for High-Grade Osteosarcoma
| Patients (N = 956) | ||
|---|---|---|
| Characteristics | N | % |
| Age at enrollment (years) | ||
| Median (range) | 14 (5–40) | |
| Sex | ||
| Male | 565 | 59.1 |
| Female | 391 | 40.9 |
| Race | ||
| White | 691 | 72.3 |
| Black | 129 | 13.5 |
| Asian | 34 | 3.5 |
| Hawaiian, Pacific Islander, NOS | 1 | 0.1 |
| American Indian, Aleutian, or Eskimo | 11 | 1.2 |
| Other | 58 | 6.1 |
| Unknown | 32 | 3.4 |
| Primary site | ||
| Lower extremity | ||
| Femur | 467 | 48.8 |
| Non-femur | 309 | 32.3 |
| Upper extremity | 126 | 13.2 |
| All other sites | 54 | 5.7 |
| Metastasis present at time of enrollment | ||
| No | 794 | 83.1 |
| Yes | 150 | 15.7 |
| Unknown | 12 | 1.2 |