Table 1.
Baseline characteristics of patients with rhabdomyosarcoma.
| Variables | Classification | N | Cause-specific death (%) | Death due to other causes (%) |
|---|---|---|---|---|
| Total | 3399 | 1335 | 344 | |
| Age | <19 | 1976 (58.1) | 629 (47.1) | 57 (16.6) |
| ≥19 | 1423 (41.9) | 706 (52.9) | 287 (83.4) | |
| Year | 1986–1995 | 396 (11.7) | 168 (12.6) | 38 (11.0) |
| 1996–2005 | 1250 (36.8) | 527 (39.5) | 130 (37.8) | |
| 2006–2015 | 1753 (51.5) | 640 (47.9) | 176 (51.2) | |
| Race | White | 2535 (74.6) | 961 (72.0) | 276 (80.3) |
| Black | 580 (17.1) | 249 (18.7) | 51 (14.8) | |
| Other | 284 (8.3) | 125 (9.3) | 17 (4.9) | |
| Sex | Male | 1489 (43.8) | 591 (44.3) | 170 (49.4) |
| Female | 1910 (56.2) | 744 (55.7) | 174 (50.6) | |
| Marital | Married | 682 (20.1) | 341 (25.5) | 137 (39.8) |
| Unmarried | 2466 (72.6) | 877 (65.7) | 115 (33.5) | |
| DSW | 251 (7.3) | 117 (8.8) | 92 (26.7) | |
| Site | Favorable | 1118 (32.9) | 350 (26.2) | 102 (29.7) |
| Unfavorable | 2281 (67.1) | 985 (73.8) | 242 (70.3) | |
| Historic stage | Localized | 1127 (48.7) | 224 (16.8) | 113 (32.8) |
| Regional | 1169 (24.5) | 409 (30.6) | 116 (33.7) | |
| Distant | 1103 (26.8) | 702 (52.6) | 115 (33.5) | |
| Tumor size (cm) | <5 | 868 (25.1) | 199 (14.9) | 73 (21.2) |
| 5–10 | 969 (51.5) | 360 (26.9) | 86 (25.0) | |
| ≥10 | 748 (23.4) | 388 (29.1) | 94 (27.3) | |
| Other | 814 (23.9) | 388 (29.1) | 91 (26.5) | |
| Laterality | Left | 776 (22.8) | 270 (20.2) | 75 (21.8) |
| Right | 1890 (55.6) | 257 (19.3) | 62 (18.0) | |
| Not a paired site | 733 (21.6) | 808 (60.5) | 207 (60.2) | |
| HS | RMS | 615 (18.1) | 293 (21.9) | 125 (36.3) |
| Embryonal | 1321 (38.9) | 354 (26.5) | 52 (15.1) | |
| Alveolar | 843 (24.8) | 451 (33.8) | 53 (15.4) | |
| Pleomorphic | 352 (10.4) | 154 (11.5) | 91 (26.5) | |
| Others | 268 (7.8) | 83 (6.2) | 23 (6.7) | |
| RS | NRS | 2213 (65.1) | 947 (70.9) | 249 (72.4) |
| WRS | 1167 (34.3) | 382 (28.6) | 94 (27.3) | |
| IRS | 19 (0.6) | 6 (0.5) | 1 (0.3) | |
| Surgery | Yes | 2127 (62.6) | 680 (50.9) | 233 (67.7) |
| No/unknown | 1272 (37.4) | 655 (49.1) | 111 (32.3) | |
| Chemotherapy | Yes | 1926 (56.7) | 1118 (83.7) | 177 (51.5) |
| None/unknown | 1473 (43.3) | 217 (16.3) | 167 (48.5) | |
| Radiotherapy | Yes | 2847 (83.8) | 721 (54.0) | 139 (40.4) |
| No/unknown | 552 (16.2) | 614 (46.0) | 205 (59.6) |
DSW: divorced and separated and widowed; RMS: rhabdomyosarcoma; HS: histology subtype; RS: radiation sequence with surgery; NRS: no radiation and/or cancer-directed surgery; WRS: radiation prior to surgery, radiation after surgery, and radiation before and after surgery.