Table 1 Baseline characteristics of the CHD case and control subjects
Variables | CHD cases (n = 1,146) | Control subjects (n = 1,146) | P value |
|---|---|---|---|
Age (years) | 60.0 ± 10.3 | 60.5 ± 11.3 | 0.229 |
Gender (male/female) | 891/255 (77.7/22.3) | 901/245 (78.6/21.4) | 0.613 |
BMI (kg/m2) | 24.4 ± 3.3 | 23.7 ± 3.1 | <0.01 |
Smoking, no/yes, (%) | 774/369 (66.7/32.3) | 686/460 (59.9/40.1) | <0.01 |
Drinking, no/yes, (%) | 822/317 (72.2/27.8) | 776/365 (68.0/32.0) | <0.01 |
Systolic blood pressure (mmHg) | 136.0 ± 25.3 | 133.6 ± 29.0 | 0.034 |
Diastolic blood pressure (mmHg) | 82.9 ± 15.2 | 82.0 ± 11.3 | 0.110 |
Fasting blood glucose (mmol/L) | 6.2 ± 3.0 | 5.6 ± 2.2 | <0.01 |
Total cholesterol (mmol/L) | 4.4 ± 1.1 | 4.7 ± 0.9 | <0.01 |
Triglyceride (mmol/L) | 1.7 ± 1.4 | 1.6 ± 1.3 | 0.283 |
HDL cholesterol (mmol/L) | 1.2 ± 0.7 | 1.1 ± 0.4 | <0.01 |
LDL cholesterol (mmol/L) | 2.6 ± 0.9 | 2.7 ± 0.8 | <0.01 |
Past history | Â | Â | Â |
  Diabetes, no/yes, (%) | 824/314 (72.4/27.6) | 1080/65 (94.3/5.7) | <0. 01 |
  Hypertension, no/yes, (%) | 351/790 (30.8/69.2) | 784/361 (68.5/31.5) | <0. 01 |
Family history of CHD, no/yes, (%) | 947/158 (85.7/14.3) | 1133/10 (99.1/0.9) | <0.01 |