Table 1.
Clinical characteristics grouped by CAD severity.
| Groups | Normal (n = 13) |
Noncritical CAD (n = 17) |
Critical CAD (n = 82) |
p value |
|---|---|---|---|---|
| Age (years) | 60 ± 8 | 62 ± 8 | 61 ± 9 | 0.674 |
| Gender (male/female) | 5/8 | 12/5 | 54/28 | 0.130 |
| Current smoking (%) | 0 | 11.8 | 8.5 | 0.476 |
| Alcohol consumption (%) | 23.1 | 52.9 | 30.5 | 0.145 |
| SBP (mmHg) | 130 ± 11 | 135 ± 13 | 139 ± 17 | 0.135 |
| DBP (mmHg) | 77 ± 13 | 86 ± 11 | 81 ± 12 | 0.090 |
| HR (per min) | 74 ± 9 | 68 ± 9 | 74 ± 11 | 0.076 |
| TC (mmol/l) | 4.7 ± 1.3 | 4.1 ± 0.8 | 4.6 ± 1.3 | 0.228 |
| LDL-C (mmol/l) | 2.7 ± 1.0 | 2.4 ± 0.6 | 2.7 ± 1.0 | 0.384 |
| FBG (mmol/l) | 5.9 ± 2.6 | 5.3 ± 1.2 | 5.9 ± 1.7 | 0.510 |
| Urea nitrogen (mmol/l) | 4.3 ± 0.7 | 4.8 ± 1.0 | 4.9 ± 1.5 | 0.362 |
| Creatinine (mol/l) | 65 ± 13 | 66 ± 11 | 74 ± 43 | 0.564 |
| Comorbid conditions (%) | ||||
| Hypertension | 30.8 | 35.3 | 34.1 | 0.964 |
| Diabetes | 23.1 | 47.1 | 67.1 | 0.006 |
| Medications (%) | ||||
| β-blocker | 76.9 | 70.6 | 76.8 | 0.857 |
| Aspirin | 100.0 | 94.1 | 100.0 | 0.460 |
| Clopidogrel | 100.0 | 94.1 | 97.6 | 0.593 |
| Statin | 100.0 | 88.2 | 92.7 | 0.353 |
| CCB | 46.2 | 47.1 | 54.9 | 0.742 |
| Nitrate | 61.5 | 70.6 | 80.5 | 0.260 |
CAD: coronary artery disease; SBP: systolic blood pressure; DBP: diastolic blood pressure; HR: heart rate; TC: total cholesterol; LDL-C: low-density lipoprotein cholesterol; FBG: fasting blood glucose; ACEI: angiotensin-converting enzyme inhibitor; ARB: angiotensin receptor blocker; CCB: calcium channel blocker.