Table 1.
Patient cohort characteristics
| Characteristic | Value |
|---|---|
| Age, years | |
| Mean ± SD | 55.0 ± 19.9 |
| Median (range) | 57(0–98) |
| Interquartile range | 28 |
| Age, n (%) | |
| 0–59 | 1067(54.9%) |
| 60+ | 875(45.1%) |
| Year of diagnosis, n (%) | |
| 1970s | 93(4.8%) |
| 1980s | 188(9.7%) |
| 1990s | 308(15.9%) |
| 2000s | 752(38.7%) |
| 2010s | 604(31.1%) |
| Gender, n (%) | |
| Male | 1139(58.7%) |
| Female | 803(41.3%) |
| Race, n (%) | |
| White | 1675(86.3%) |
| Black | 69(3.6%) |
| Other | 180(9.3%) |
| Unknown | 18(0.9%) |
| Histological type, n (%) | |
| Chordoma, NOS | 1840(94.7%) |
| Chondroid chordoma | 90(4.6%) |
| Dedifferentiated chordoma | 12(0.6%) |
| Disease stage, n (%) | |
| Localized | 625(32.2%) |
| Regional | 700(36.0%) |
| Distant | 142(7.3%) |
| Unknown | 475(24.5%) |
| Tumor size, n (%) | |
| < 5 | 557(28.7%) |
| 5~10 | 373(19.2%) |
| ≥ 10 | 175(9.0%) |
| Unknown | 837(43.1%) |
| Surgery, n (%) | |
| Yes | 1523(78.4%) |
| No | 419(21.6%) |
| Radiation, n (%) | |
| Yes | 856(44.1%) |
| No | 1035(53.3%) |
| Unknown | 51(2.6%) |
NOS not otherwise specified