Table 1.
Epidemiological features of the RMS cohorta
| Characteristics | Embryonal RMS (n = 347) | Alveolar RMS (n = 167) | Other subtypes or not otherwise specified (n = 101) | Total (n = 615) |
|---|---|---|---|---|
| Sex, No. (%) | ||||
| Female | 124 (35.7) | 86 (51.5) | 33 (32.7) | 243 (39.5) |
| Male | 223 (64.3) | 81 (48.5) | 68 (67.3) | 372 (60.5) |
| Population, No. (%) | ||||
| European American | 235 (67.7) | 105 (62.9) | 65 (64.4) | 405 (65.9) |
| Hispanic | 45 (13.0) | 34 (20.4) | 17 (16.8) | 96 (15.6) |
| African American | 45 (13.0) | 18 (10.8) | 15 (14.9) | 78 (12.7) |
| East Asian | 17 (4.9) | 8 (4.8) | 3 (3.0) | 28 (4.6) |
| South Asian | 5 (1.4) | 2 (1.2) | 1 (1.0) | 8 (1.3) |
| Age at diagnosis, No. (%), y | ||||
| 0-5 | 171 (49.3) | 62 (37.1) | 31 (30.7) | 264 (42.9) |
| 5-10 | 89 (25.6) | 28 (16.8) | 23 (22.8) | 140 (22.8) |
| 10-15 | 51 (14.7) | 44 (26.3) | 17 (16.8) | 112 (18.2) |
| 15-20 | 33 (9.5) | 25 (15.0) | 28 (27.7) | 86 (14.0) |
| 20-25 | 3 (0.9) | 8 (4.8) | 2 (2.0) | 13 (2.1) |
| Median, (interquartile range) | 5 (7) | 9 (11) | 9 (12) | 6 (10) |
| Cancer stage, No. (%) | ||||
| 1 | 135 (38.9) | 21 (12.6) | 24 (35.8) | 180 (31.0) |
| 2 | 47 (13.5) | 30 (18.0) | 4 (6.0) | 81 (13.9) |
| 3 | 117 (33.7) | 53 (31.7) | 16 (23.9) | 186 (32.0) |
| 4 | 48 (13.8) | 63 (37.7) | 23 (34.3) | 134 (23.1) |
| NA | 0 | 0 | 34 | 34 |
a
NA = not available; RMS = rhabdomyosarcoma.