Table 2.
CCTA findings | All (n=83) | RA (n=53) | AS (n=21) | PsA (n=9) | p Value* | |
CAD, n (%) | 55 (66.3) | 39 (73.6) | 12 (61.9) | 3 (33.3) | 0.13 | |
Obstructive CAD, n (%) | 11 (13.3) | 6 (54.5) | 5 (45.5) | 0 (0.0) | 0.46 | |
CAC, mean±SD (n=86) | 204.7±370.6 | 199.4±344.0 | 281.1±485.0 | 57.1±93.5 | 0.43 | |
Segment involvement score, mean±SD | 2.2±2.7 | 2.2±2.5 | 3.1±3.3 | 0.9±1.5 | 0.14 | |
Segment stenosis score, mean±SD | 2.4±3.3 | 2.3±3.2 | 3.6±4.0 | 0.5±1.3 | 0.08 | |
Plaque composition | Calcified, n (%) | 45 (54.2) | 31 (58.5) | 11 (55.0) | 3 (30.0) | 0.56 |
Mixed, n (%) | 26 (31.3) | 15 (28.3) | 9 (45.0) | 2 (20.0) | 0.68 | |
Soft, n (%) | 10 (12.0) | 6 (11.3) | 4 (20.0) | 0 (0.0) | 0.34 |
*Data compared using analysis of covariance (adjusted for sex, age and systolic blood pressure).
AS, ankylosing spondylitis; CAC, coronary artery calcification; CAD, coronary artery disease; CCTA, coronary CT angiography; PsA, psoriatic arthritis; RA, rheumatoid arthritis.