Patient characteristics
| Patients followed up (n=45) | Patients lost to follow up (n=25) | p | |
|---|---|---|---|
| *Mean (SD). | |||
| Age* | 50.6 (11.6) | 43.2 (13.3) | 0.01 |
| Women (n) | 36 | 18 | 0.45 |
| Duration of symptoms* (years) | 9.9 (8.3) | 6.2 (7.3) | 0.11 |
| Severity* (0–5; 0 best) | 2.9 (0.7) | 2.9 (0.8) | 0.97 |