Table 1.
The general characteristics and serum lipid levels between the normolipidemic an hyperlipidemic subjects
| Parameter | Normolipidemia | Hyperlipidemia | t (χ2) | P |
|---|---|---|---|---|
| Number | 345 | 476 | - | - |
| Male/female | 154/191 | 224/252 | 0.472 | 0.492 |
| Age (years) | 42.50 ± 14.91 | 43.82 ± 15.26 | -1.240 | 0.215 |
| Body mass index (kg/m2) | 22.30 ± 2.63 | 23.34 ± 3.36 | -4.954 | 0.000 |
| Systolic blood pressure (mmHg) | 120.85 ± 15.84 | 124.74 ± 17.37 | -3.331 | 0.001 |
| Diastolic blood pressure (mmHg) | 75.30 ± 9.99 | 78.98 ± 10.73 | -5.045 | 0.000 |
| Pulse pressure (mmHg) | 45.57 ± 11.67 | 45.76 ± 11.81 | -0.220 | 0.826 |
| Cigarette smoking [n (%)] | ||||
| Nonsmoker | 242(70.1) | 336(70.6) | ||
| < 20 cigarettes/day | 37(10.7) | 36(7.6) | 2.968 | 0.227 |
| ≥20 cigarettes/day | 66(19.1) | 104(21.8) | ||
| Alcohol consumption [n (%)] | ||||
| Nondrinker | 206(59.7) | 290(60.9) | ||
| < 25 g/day | 119(34.5) | 130(27.3) | 11.146 | 0.004 |
| ≥ 25 g/day | 20(5.8) | 56(11.8) | ||
| Total cholesterol (mmol/L) | 4.31 ± 0.59 | 5.60 ± 0.96 | -23.796 | 0.000 |
| Triglyceride (mmol/L) | 0.89(0.42) | 1.59(1.11) | -14.552 | 0.000 |
| HDL-C (mmol/L) | 1.89 ± 0.41 | 1.97 ± 0.58 | -2.035 | 0.042 |
| LDL-C (mmol/L) | 2.37 ± 0.49 | 3.15 ± 0.87 | -16.334 | 0.000 |
| Apolipoprotein (Apo) AI (g/L) | 1.41 ± 0.22 | 1.50 ± 0.31 | -4.857 | 0.000 |
| ApoB (g/L) | 0.82 ± 0.15 | 1.05 ± 0.23 | -16.887 | 0.000 |
| ApoAI/ApoB | 1.79 ± 0.56 | 1.51 ± 0.58 | 6.762 | 0.000 |
HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol. The value of triglyceride was presented as median (interquartile range), the difference between the two groups was determined by the Wilcoxon-Mann-Whitney test.