Table 2.
Clinical anterior chest wall inflammation by patient and physician assessment and concordance between the two assessmentsa
| Assessments | SpA group | AS group | nrSpA group |
|---|---|---|---|
| Patient assessment, N | 73 | 58 | 15 |
| ACW pain present, n (%) | 19 (26.0%) | 16 (27.6%) | 3 (20.0%) |
| Physician assessment, N | 122 | 95 | 27 |
| ACW tenderness present, n (%) | 32 (26.2%) | 25 (26.3%) | 7 (25.9%) |
| Patient versus physician assessmentb (SpA group) | ACW tenderness present | ACW tenderness absent | Total |
| ACW pain present, n (%) | 12 (16.4%) | 7 (9.6%) | 19 (26.0%) |
| ACW pain absent, n (%) | 7 (9.6%) | 47 (64.4%) | 54 (74.0%) |
| Total, n (%) | 19 (26.0%) | 54 (74.0%) | 73 (100%) |
aACW = anterior chest wall; AS = ankylosing spondylitis; nrSpA = nonradiographic spondyloarthritis; SpA = spondyloarthritis. bEstimated Cohen's κ = 0.50 (95% CI = 0.24 to 0.71).