Characteristics of patients with AS and the general population
| Characteristic | AS (n = 314) | GP (n = 2323) | p Value |
|---|---|---|---|
| Results are shown as mean (SD) for continuous variables, percentage for counts. | |||
| AS, ankylosing spondylitis; GP, general population; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index (VAS scales, 0 = best, 100 = worst); BASFI, Bath Ankylosing Spondylitis Functional Index (VAS scales, 0 = best, 100 = worst). | |||
| Age (years), mean (SD) | 43.7 (12.3) | 50.9 (16.5) | p<0.0001 |
| Men (%) | 63 | 49 | χ2 = 21.8, p<0.0001 |
| Disease duration (years), mean (SD) | 13.3 (11.3) | ||
| Employed (%) | 67 | 64.5 | χ2 = 0.55, p = 0.46 |
| >12 Years education (%) | 57 | 29 | χ2 = 106, p<0.0001 |
| BASDAI | 49.7 (22.4) | ||
| BASFI | 31.2 (24.6) | ||