Table 2:
Participant characteristics by presence/absence of emphysema and coronary artery calcium. Continuous variables are summarized as median (IQR).
| Heathy Smokers | Emphysema only | CAD only | Emphysema and CAD | p | |
|---|---|---|---|---|---|
| n (%) | 38 (8.0) | 37 (7.8) | 161 (34.0) | 238 (50.2) | |
| Age, years | 60.0 (58.0; 63.0) | 62.0 (60.0; 64.0) | 66.0 (62.0; 69.0) | 66.0 (61.0; 72.0) | <0.001 |
| Male (%) | 28 (73.7) | 25 (67.6) | 68 (42.2) | 106 (44.5) | <0.001 |
| Caucasian (%) | 35 (92.1) | 31 (83.8) | 154 (95.7) | 228 (95.8) | 0.02 |
| BMI, kg/m2 | 29.6 (24.2; 32.2) | 26.7 (24.5; 28.8) | 29.0 (26.7; 31.9) | 27.1 (23.8; 30.1) | <0.001 |
| Current smoking (%) | 15 (39.5) | 21 (56.8) | 74 (46.0) | 106 (44.5) | 0.47 |
| Pack years of smoking | 36.5 (30.0; 50.0) | 40.0 (25.0; 60.0) | 44.0 (30.0; 60.0) | 55.5 (40.0; 80.0) | <0.001 |
| Systolic BP, mm Hg | 122.5 (113.0; 134.0) | 124.0 (119.0; 138.0) | 133.0 (124.0; 145.0) | 132.0 (122.0; 145.0) | 0.001 |
| Diastolic BP, mm Hg | 73.0 (68.0; 80.0) | 76.0 (70.0; 82.0) | 77.0 (69.0; 82.0) | 75.0 (68.0; 81.0) | 0.30 |
| Hypertension (%) | 13 (34.2) | 13 (35.1) | 88 (55.3) | 130 (55.6) | 0.01 |
| Diabetes mellitus (%) | 0 (0.0) | 1 (2.8) | 19 (11.9) | 25 (10.7) | 0.06 |
| Hyperlipidemia (%) | 17 (44.7) | 17 (47.2) | 94 (58.8) | 133 (57.1) | 0.30 |
| hs-CRP, mg/L | 0.9 (0.3; 2.6) | 1.4 (0.7; 2.5) | 1.1 (0.5; 2.3) | 1.3 (0.4; 2.8) | 0.43 |