Table 1.
General characteristics of controls and cases with coronary heart disease
| Parameter | Controls (n = 379)
|
Cases (n = 380)
|
P-value | ||
|---|---|---|---|---|---|
| Mean or % | SD | Mean or % | SD | ||
| Age (years) | 67.48 | 8.16 | 67.71 | 8.47 | 0.697 |
| Sex (%) | |||||
| Male | 63.1 | 62.6 | 0.604a | ||
| Female | 36.9 | 37.2 | |||
| Height (m) | 1.63 | 0.08 | 1.63 | 0.08 | 0.630 |
| Weight (kg) | 60.99 | 9.91 | 64.25 | 10.42 | 0.000 |
| Body mass index (kg/m2) | 22.94 | 3.01 | 24.08 | 3.22 | 0.000 |
| SBP (mmHg) | 130.26 | 18.81 | 134.88 | 18.88 | 0.002 |
| DBP (mmHg) | 77.65 | 10.27 | 78.14 | 10.01 | 0.536 |
| Serum calcium (mmol/L) | 2.54 | 0.15 | 2.57 | 0.14 | 0.038 |
| Total cholesterol (mg/dL) | 5.56 | 0.89 | 5.47 | 0.90 | 0.12 |
| HDL cholesterol (mg/dL) | 1.34 | 0.32 | 1.28 | 0.31 | 0.60 |
| LDL cholesterol (mg/dL) | 3.46 | 0.79 | 3.39 | 0.82 | 0.249 |
| Triglycerides (mg/dL) | 1.66 | 1.07 | 1.74 | 1.23 | 0.366 |
Note:
a
P-value show from Chi-square test comparing sex in the coronary heart disease group with controls.
Abbreviations: SBP, systolic blood pressure; DBP, diastolic blood pressure; CHD, coronary heart disease; HDL, high-density lipoprotein; LDL, low-density lipoprotein; SD, standard deviation.