From: Markers of intestinal inflammation in patients with ankylosing spondylitis: a pilot study
 | Ankylosing spondylitis patients (n= 39) | Healthy controls (n= 42) |
---|---|---|
Age (years) | 47 (20 to 85) | 39 (27 to 70) |
Male | 82 | 52 |
HLA-B27 | 76 | Not available |
Disease duration (years) | 22 (2 to 62) | Not applicable |
Ethnicity | Â | Â |
   Caucasian | 77 | 54 |
   Asian | 8 | 36 |
   Hispanic | 15 | 10 |