Table 1.
SEERa demographic and clinical data.
| Variable | Well Differentiated | Myxoid | Round Cell | Pleomorphic | Mixed | Fibroblastic | De-Differentiated | P value |
|---|---|---|---|---|---|---|---|---|
| Total Number | 4298 (36.8%) | 3241 (27.8%) | 304 (2.6%) | 1203 (10.3%) | 453 (3.9%) | 17 (0.2%) | 2164 (18.5%) | |
| Median Age (years) | 63 | 50 | 50 | 66 | 56 | 36 | 66 | <0.01 |
| Race | <0.01 | |||||||
| Caucasian | 3525 (82.0%) | 2694 (83.1%) | 246 (80.9%) | 1004 (83.5%) | 374 (82.6%) | 15 (88.2%) | 1826 (84.4%) | |
| African American | 346 (8.1%) | 309 (9.5%) | 32 (10.5%) | 111 (9.2%) | 43 (9.5%) | 1 (5.9%) | 134 (6.2%) | |
| Other | 381 (8.9%) | 210 (6.5%) | 22 (7.2%) | 85 (7.1%) | 31 (6.8%) | 1 (5.9%) | 195 (9.0%) | |
| GENDER | <0.01 | |||||||
| Males | 2551 | 1895 | 168 | 714 | 279 | 6 | 1448 | |
| Females | 1747 | 1346 | 136 | 489 | 174 | 11 | 716 | |
| Male to Female Ratio | 1.5 | 1.4 | 1.2 | 1.5 | 1.6 | 0.5 | 2.0 | |
| % Female | 40.6 | 41.5 | 44.7 | 40.6 | 38.4 | 64.7 | 33.1 | |
| Metastases | 131 (3.0%) | 127 (3.9%) | 26 (8.5%) | 67 (5.6%) | 25 (5.5%) | 0 (0%) | 201 (0.9%) | <0.01 |
| Grade | <0.01 | |||||||
| 1 | 4095 | 828 | 15 | 44 | 79 | 4 | 168 | |
| 2 | 60 | 873 | 42 | 71 | 70 | 6 | 188 | |
| 3 | 31 | 242 | 89 | 316 | 101 | 1 | 673 | |
| 4 | 20 | 171 | 84 | 416 | 94 | 0 | 843 | |
| Not reported | 92 | 1127 | 74 | 356 | 109 | 6 | 292 | 1061 |
a
Surveillance, Epidemiology, and End Results Program Database.