Table 2.
Findings on CCTA Stratified by Troponin Concentration
| Overall (N = 250) | <5 ng/L (n = 83) | 5 ng/L to 99th Percentile (n = 167) | P Value | |
|---|---|---|---|---|
| Stenosis severity | <0.001 | |||
| Normal | 94 (37.6) | 47 (56.6) | 47 (28.1) | |
| Nonobstructive CAD | 90 (36.0) | 20 (24.1) | 70 (41.9) | |
| Mild (<50%) | 65 (26.0) | 13 (15.7) | 52 (31.1) | |
| Moderate (50-70%) | 25 (10.0) | 7 (8.4) | 18 (10.8) | |
| Obstructive CAD | 66 (26.4) | 16 (19.3) | 50 (29.9) | |
| 1 Vessel | 33 (13.2) | 6 (7.2) | 27 (16.2) | |
| 2 Vessels | 22 (8.8) | 8 (9.6) | 14 (8.4) | |
| 3 Vessels | 11 (4.4) | 2 (2.4) | 9 (5.4) | |
| Atherosclerotic burden | ||||
| Segment involvement score | 2.0 (0.0-6.0) | 0.0 (0.0-3.0) | 2.0 (0.0-6.0) | <0.001 |
| Segment stenosis score | 2.0 (0.0-8.0) | 0.0 (0.0-4.0) | 3.0 (0.0-9.0) | <0.001 |
| CT-Leaman score | 3.2 (0.0-9.8) | 0.0 (0.0-6.2) | 5.2 (0.0-10.4) | <0.001 |
Values are n (%), or median (interquartile range).
Abbreviations as in Table 1.