Patient demographics for flow cytometry. Values are mean (range) unless otherwise specified.
| Variables | Patient A | Infliximab | Biologic-naive | Healthy Controls |
|---|---|---|---|---|
| Number | 1 | 12 | 14 | 14 |
| Sex | M | M | M | M |
| Age, yrs | 36 | 50 (28–66) | 43 (23–73) | 35 (20–66) |
| HLA-B27, +/− | Positive | 11/2 | 12/2 | Unknown |
| Infliximab, yrs | 12 | 11 (8–15) | 0 | N/A |
| BASDAI | 2.7 | 2.6 (1.6–5.2) | 4.7 (0.8–8.1) | N/A |
| CRP, mg/l | 7 | 5.1 (3–26) | 10.7 (3–30) | N/A |
| ESR, mm/h | 3 | 9.25 (2–34) | 12 (2–34) | N/A |
| Age at back pain, yrs | 19 | 22 (10–40) | 23 (12–52) | N/A |
BASDAI: Bath Ankylosing Spondylitis Disease Activity Index; CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; N/A: not applicable.