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Comparison of coronary artery calcification (CAC) scores between groups using different cut-offs
| CAC score | Emphysema group (n=78), n (%) | Control group (n=1642), n (%) | Overall P* |
|---|---|---|---|
| 0 | 39 (50) | 919 (56) | 0.088 |
| 1–100 | 15 (19) | 413 (25) | |
| 101–400 | 13 (17) | 188 (11) | |
| 401–1000 | 6 (8) | 77 (5) | |
| >1000 | 5 (6) | 45 (3) |
P determined using χ2
