| Variables | n = 70 |
| Age (years old) | 58 ± 16 |
| Sex (male) | 37 (53%) |
| Treatment time (years)* | 3 (1 - 6.5) |
| Presence of pain in the last 6 months | 51 (72%) |
| Site of pain |
|
| Lower limbs | 20 (28%) |
| Back (lumbar, spine) | 17 (24%) |
| Headache | 4 (6%) |
| Other sites | 10 (14%) |