Table 1.
Baseline demographics and clinical features stratified according to RCA PCAT attenuation.
| Patient characteristics at study baseline | RCA PCAT attenuation >−70.5 (n = 20) | RCA PCAT attenuation ≤−70.5 (n = 42) | P-value |
|---|---|---|---|
| Age, years | 83.9 ± 6.0 | 81.4 ± 6.9 | 0.23 |
| Female (%) | 7 (35.0) | 20 (47.6) | 0.35 |
| BMI, kg/m² | 27.7 ± 5.3 | 31.5 ± 7.3 | 0.005 |
| Medical history, n (%) | |||
| Hypertension | 16 (80.0) | 32 (76.2) | 0.74 |
| Atrial fibrillation | 9 (45.0) | 19 (45.2) | 0.99 |
| Stroke or TIA | 2 (10.0) | 3 (7.1) | 0.72 |
| Diabetes mellitus | 9 (45.0) | 16 (38.1) | 0.60 |
| Peripheral vascular disease | 2 (10.0) | 5 (11.9 | 0.83 |
| Cardiac assessment | |||
| NYHA class | |||
| I | 0 | 1 (2.4) | 0.49 |
| II | 4 (20.0) | 10 (23.8) | 0.74 |
| III | 12 (60.0) | 30 (71.4) | 0.37 |
| IV | 4 (20.0) | 1 (2.4) | 0.02 |
| EuroSCORE II | 5.1 (3.0–17.6) | 2.4 (1.6–3.8) | <0.001 |
| Previously diagnosed CAD (%) | 8 (40.0) | 12 (28.6) | 0.39 |
| Clinical features | |||
| CRP, mg/L | 0.5 (0.06–10.7) | 0.3 (0.04–2.9) | 0.474 |
| Leukocytes, /µL | 7.5 (5.9–9.0) | 7.0 (5.0–7.7) | 0.537 |
| Troponin T, pg/mL | 29.0 (15.5–54.5) | 18.2 (14.7–25) | 0.011 |
| Creatinine, mg/dL | 1.8 ± 1.4 | 1.0 ± 0.4 | 0.001 |
| Receiving statin therapy, n (%) | 16 (80.0) | 27 (64.3) | 0.21 |
The results are reported as n (%), mean ± SD, or median (range) as appropriate and rounded to the first decimal place. AU, arbitrary units; BMI, body mass index; stroke or TIA, transitory ischemic attack; NYHA class, New York Heart Association class; CAD, coronary artery disease; CRP, C-reactive protein.