Table 3 Demographic data for ankylosing spondylitis patients stratified by fecal calprotectin positivity
From: Markers of intestinal inflammation in patients with ankylosing spondylitis: a pilot study
|  | Fecal calprotectin cutoff 50 μg/g | ||
|---|---|---|---|
| Â | Fecal calprotectin positive (n= 16) | Fecal calprotectin negative (n= 23) | Pvalue |
Mean age (years) | 45 | 49 | 0.48 |
Male, n (%) | 14 (88) | 18 (78) | 0.68 |
HLA-B27-positive, n (%) | 11 (69) | 18 (82) | 0.71 |
Mean disease duration (years) | 22 | 22 | 0.96 |
Ethnicity (%) | Â | Â | Â |
   Caucasian | 8 | 74 | 0.71 |
   Asian | 0 | 13 | 0.26 |
   Hispanic | 19 | 13 | 0.67 |