Table 3.
Clinical characteristics of the propensity-matched study groups
| Healthy volunteers (N = 272) | Asymptomatic patients (N = 136) | P-values | |
|---|---|---|---|
| Agea | 58.5 ± 9.1 | 59.2 ± 10.0 | .43 |
| Malea | 207 (76.1%) | 104 (76.5%) | .93 |
| CAD risk factors | |||
| High cholesterola | 198 (72.8%) | 100 (73.5%) | .88 |
| Hypertensiona | 168 (61.8%) | 74 (54.4%) | .15 |
| Smokinga | 14 (5.2%) | 11 (8.1%) | .24 |
| Diabetesa | 40 (14.7%) | 22 (16.2%) | .70 |
| Family historya | 64 (23.5%) | 35 (25.7%) | .62 |
| # of CAD factors | 1.8 ± 0.9 | 1.7 ± 1.0 | .82 |
| BMIa | 28.4 ± 5.1 | 28.2 ± 5.3 | .65 |
| Medication use | |||
| Blood pressure medications | 123 (45.2%) | 59 (43.4%) | .73 |
| Lipid lowering medications | 99 (36.4%) | 56 (41.2%) | .35 |
| Laboratory values | |||
| Glucose | 100.6 ± 22.4 | 101.2 ± 29.4 | .67 |
| Cholesterol | 211.5 ± 43.6 | 203.0 ± 47.6 | .03 |
| LDL | 133.6 ± 39.5 | 124.1 ± 41.7 | .01 |
| HDL | 50.4 ± 16.5 | 51.5 ± 16.2 | .32 |
| Triglycerides | 140.9 ± 87.2 | 135.7 ± 104.3 | .05 |
| FRS | |||
| Mean score | 13.9 ± 8.3 | 13.0 ± 8.2 | .35 |
| FRS < 10% | 89 (42.8%) | 48 (42.9%) | |
| FRS 10%–20% | 61 (29.3%) | 37 (33.0%) | |
| FRS > 20% | 58 (27.9%) | 27 (24.1%) | .70 |
| Resting hemodynamics | |||
| Heart rate (bpm) | 66.5 ± 10.6 | 67.8 ± 12.1 | .39 |
| Systolic BP (mmHg) | 137.1 ± 17.2 | 135.3 ± 16.0 | .50 |
| Diastolic BP (mmHg) | 85.8 ± 11.2 | 80.0 ± 8.0 | <.0001 |
a Propensity-matched on these clinical risk factors.