Table 1.
General characteristics of patients with CHD and controls
| Variables | Cases (n = 2,298) | Control (n = 2,298) | P value* |
|---|---|---|---|
| Sex, male/female, (%) | 1,675/623 (72.9/27.1) | 1,675/623 (72.9/27.1) | 1.00 |
| Age, years | 60.1 ± 10.3 | 59.9 ± 10.2 | 0.62 |
| Blood pressure, mmHg | |||
| Systolic | 135.5 ± 24.0 | 130.8 ± 24.1 | <0.001 |
| Diastolic | 81.6 ± 14.4 | 82.3 ± 25.5 | 0.01 |
| Body mass index, kg/m2 | 24.5 ± 3.6 | 24.3 ± 3.7 | 0.80 |
| Fasting glucose, mmol/L | 6.9 ± 5.7 | 5.1 ± 1.5 | <0.001 |
| Total cholesterol | 4.4 ± 1.1 | 4.8 ± 1.0 | <0.001 |
| Triglyceride, mmol/L | 1.8 ± 1.4 | 1.7 ± 1.4 | 0.24 |
| MDA, μmol/L | 3.0 ± 1.8 | 2.7 ± 1.8 | <0.001 |
| Smoking (%) | 1,373 (59.7) | 1,045 (45.5) | <0.001 |
| Past history | |||
| Hypertension (%) | 1,512 (65.8) | 809 (35.2) | <0.001 |
| Diabetes (%) | 558 (24.3) | 193 (8.4) | <0.001 |
Variables are mean ± SD or percentage
*P values were calculated using independent-sample t test, Mann–Whitney rank sum test, or Chi-square test