Table 1 Characteristics of cases and controls
From: A comprehensive candidate gene approach identifies genetic variation associated with osteosarcoma
| Â | mean age (SD) | n(%) male | n(%) female | total n |
|---|---|---|---|---|
OS Cases | 26.6 (16.5) | 54 (56.3) | 42 (43.7) | 96 |
All Controls | 60.9 (9.9) | 904 (63.4) | 522 (36.6) | 1426 |
   Orthopedic Controls | 24.7 (15.1) | 34 (54.0) | 29 (46.0) | 63 |
   PLCO Controls | 62.6 (5.2) | 870 (63.8) | 493 (36.2) | 1363 |