Prevalence (%) and corresponding Prevalence Ratio (PR) of SpA-related comorbidities in AS, PsA and uSpA
| AS cases | PR (95% CI) | PsA cases | PR (95% CI) | uSpA cases | PR (95% CI) | |
|---|---|---|---|---|---|---|
| n (%) | (AS: GP) | n (%) | (PsA: GP) | n (%) | (uSpA: GP) | |
| Females, n (%) | 1217 (31.3) | 4772 (54.8) | 1503 (56.4) | |||
| Age, mean ±SD | 51.1±12.7 | 53.9±13.5 | 46.1±12.8 | |||
| IBD | 350 (9.0) | 9.3 (7.7–11.2) | 180 (2.1) | 1.9 (1.6–2.3) | 139 (5.2) | 5.2 (4.1–6.6) |
| – Crohn's disease | 170 (4.4) | 11.6 (8.7–15.4) | 78 (0.9) | 2.2 (1.7–2.9) | 62 (2.3) | 6.5 (4.4–9.6) |
| – Ulcerative colitis | 180 (4.6) | 7.8 (6.2–10.0) | 102 (1.2) | 1.8 (1.4–2.3) | 77 (2.9) | 4.4 (3.3–6.1) |
| Anterior uveitis | 819 (21.1) | 44.8 (35.7–56.3) | 145 (1.7) | 3.8 (3.1–4.8) | 351 (13.2) | 32.4 (24.1–43.6) |
| Psoriasis | 85 (2.2) | 2.7 (2.0–3.5) | NA | NA | 78 (2.9) | 3.2 (2.4–4.3) |
| AV block | 39 (1.0) | 5.8 (3.6–9.4) | 30 (0.3) | 1.6 (1.0–2.4) | 13 (0.5) | 4.6 (2.1–10.0) |
| Aortic regurgitation* | 55 (1.4) | 4.7 (3.2–6.9) | 41 (0.5) | 1.7 (1.2–2.4) | 11 (0.4) | 3.0 (1.4–6.4) |
AV, atrioventricular; NA, not applicable. *Aortic regurgitation includes both ICD codes for aortic regurgitation and procedure codes for aortic valve surgery.