Table 1. Demographic variables and baseline characteristics of the patients.
| Individual characteristics | Mean±SD | Min-Max |
|---|---|---|
| Average age of patients |
38.64±9.21 |
19–65 |
| Average age of controls |
38.07±13.66 |
18–65 |
| Diagnosis age, years |
32.64±9.66 |
30.75–34.53 |
| Disease duration, years |
6.252±5.16 |
5.24–7.26 |
| ESR, mm/h |
13.569±1.33 |
15.65–20.96 |
| Modified Schober, cm |
3.957±1.507 |
3.66–4.25 |
| Chest Expansion, cm |
2.655±1.068 |
2.44–2.86 |
| BASDAI | 3.178±1.336 | 2.91–3.44 |
ESR: erythrocyte sedimentation rate. BASDAI:Turkish version of Bath Ankylosing Spondylitis Diseases Activity Index.