Table 1.
Baseline characteristics of patients treated with systemic therapy
| n = 55 (%) | |
|---|---|
| Median age (range), years | 30 (15-73) |
| Gender | |
| Male | 28 (51) |
| Female | 27 (49) |
| Ethnicity | |
| White | 26 (47) |
| Black | 2 (4) |
| Hispanic | 7 (13) |
| Asian | 5 (9) |
| Unknown | 15 (27) |
| Primary tumour site | |
| Aponeurosis | 13 (24) |
| Non-aponeurosis limb | 18 (33) |
| Head and neck | 1 (2) |
| Intra-abdominal | 7 (13) |
| Thorax | 4 (7) |
| Pelvis | 3 (6) |
| Other | 9 (13) |
| Fusion status | |
| EWSR1-ATF1 | 24 (44) |
| EWSR1–CREB1 | 11 (20) |
| EWSR1–unknown partner | 20 (36) |
| Stage at diagnosis | |
| Localized | 42 (76) |
| Metastatic/unresectable | 13 (24) |
| Time to development of metastatic disease (range), months | |
| n = 42 | 15 (0-171) |
| Site of metastasis | |
| Lung | 26 (55) |
| Bone | 20 (36) |
| Liver | 6 (11) |