Table 1. The characteristics of MI cases and controls.
| Variable | Controls (n = 654) | Cases (n = 287) | P a |
|---|---|---|---|
| Age (years) | 61.37 ± 12.34 | 61.67 ± 11.95 | 0.728 |
| Sex (male) | 381 (58.3%) | 223 (77.7%) | < 0.001 b |
| Smoking (%) | 171 (26.1%) | 173 (60.3%) | < 0.001 |
| Drinking (%) | 95 (14.5%) | 80 (27.9%) | < 0.001 |
| Hypertension (%) | 229 (35.0%) | 180 (62.7%) | < 0.001 |
| Diabetes (%) | 104 (15.9%) | 136 (47.4%) | < 0.001 |
| Hyperlipidemia (%) | 245 (37.5%) | 206 (71.8%) | < 0.001 |
| BMI (kg/m2) | 23.11 ± 1.87 | 23.49 ± 2.13 | 0.006 |
| Systolic BP (mm Hg) | 132.20 ± 18.89 | 140.24 ± 18.91 | < 0.001 |
| Diastolic BP (mm Hg) | 72.73 ± 10.34 | 75.81 ± 11.48 | < 0.001 |
| FPG (mmol/L) | 5.79 ± 1.90 | 6.63 ± 1.71 | < 0.001 |
| TG (mmol/L) | 1.49 ± 0.82 | 2.07 ± 0.97 | < 0.001 |
| TC (mmol/L) | 4.61 ± 1.14 | 4.74 ± 1.21 | 0.128 |
| LDLC (mmol/L) | 2.63 ± 0.91 | 3.04 ± 0.97 | < 0.001 |
| HDLC (mmol/L) | 1.38 ± 0.67 | 1.19 ± 0.39 | < 0.001 |
BMI, body mass index; FPG, fasting plasma glucose; TG, triglyceride; TC, total cholesterol; HDLC, high density lipoprotein cholesterol; LDLC, low density lipoprotein cholesterol.
a Two-sided chi-square test or independent-samples t-test.
b P values under 0.05 were indicated in bold font.