Demographics of Subjects Studied
| Demographic | Controls | Patients |
|---|---|---|
| Average age ± SD (y) | 49 ± 20 | 45 ± 17 |
| Sex (n) | ||
| Male | 10 | 16 |
| Female | 16 | 11 |
| Clinical condition (n) | ||
| Diabetes | — | 14 |
| Trauma | — | 5 |
| Arthritis | — | 4 |
| Foot pain | — | 4 |
| Back pain | 5 | — |
| Cancer (breast, prostate, or other) | 21 | — |