Table 1.
Population characteristics.
| Characteristic | Value |
|---|---|
| Total | 250 (100%) |
| Age at diagnosis(continued) | |
| Mean ± sd | 36.9 ± 16.5 |
| Range | 6–87 |
| <20 | 28 (11.2%) |
| 20–39 | 126 (50.4%) |
| 40–59 | 71 (28.4%) |
| ≥60 | 25 (10.0%) |
| Year of dignosis | |
| Range | 1984–2013 |
| 1984–1993 | 42 (16.8%) |
| 1994–2003 | 75 (30.0%) |
| 2004–2013 | 133 (53.2%) |
| Gender | |
| Male | 119 (47.6%) |
| Female | 131 (52.4%) |
| Race | |
| White | 182 (72.8%) |
| Black | 36 (14.4%) |
| Others | 32 (12.8%) |
| Tumor site | |
| Extremity | 177 (70.8%) |
| Axial | 68 (27.2%) |
| Bone,NOS | 5 (2.0%) |
| Tumor size | |
| ≤70 mm | 61 (24.4%) |
| >70 mm | 56 (22.4%) |
| Unknown | 133 (53.2%) |
| Tumor extension | |
| Localized | 97 (38.8%) |
| Regional | 64 (25.6%) |
| Distant | 28 (11.2%) |
| Unknown | 61 (24.4%) |
| Surgery type | |
| No surgery | 50 (20.0%) |
| Local excision | 90 (36.0%) |
| GTR | 83 (33.2%) |
| Unknown | 27 (10.8%) |
| Radiation | |
| No | 200 (80.0%) |
| Yes | 41 (16.4%) |
| Unknown | 9 (3.6%) |
NOS, not otherwise specified; GTR, gross total resection.