Table 1.
The general characteristics and serum lipid levels between the Bai Ku Yao and Han populations
| Parameter | Bai Ku Yao | Han Chinese | t (χ2) | P |
|---|---|---|---|---|
| Number | 780 | 686 | - | - |
| Male/female | 381/399 | 342/344 | 0.148 | 0.714 |
| Age (years) | 40.24 ± 13.07 | 39.61 ± 14.67 | 0.866 | 0.386 |
| Body mass index (kg/m2) | 22.05 ± 2.31 | 22.51 ± 2.74 | -3.467 | 0.001 |
| Systolic blood pressure (mmHg) | 116.55 ± 15.39 | 120.63 ± 15.94 | -4.985 | 0.000 |
| Diastolic blood pressure (mmHg) | 74.78 ± 9.30 | 76.29 ± 10.04 | -2.983 | 0.003 |
| Pulse pressure (mmHg) | 41.77 ± 11.44 | 44.40 ± 10.94 | -4.478 | 0.000 |
| Cigarette smoking [n(%)] | ||||
| Nonsmoker | 531(68.1) | 514(74.9) | ||
| < 20 cigarettes/day | 128(16.4) | 52(7.6) | ||
| ≥20 cigarettes/day | 121(15.5) | 120(17.5) | 26.451 | 0.000 |
| Alcohol consumption [n(%)] | ||||
| Nondrinker | 443(56.8) | 401(58.4) | ||
| < 25 g/day | 240(30.8) | 179(26.1) | ||
| ≥25 g/day | 107(13.4) | 106(15.5) | 3.666 | 0.160 |
| Total cholesterol (mmol/L) | 4.26 ± 0.93 | 4.72 ± 0.93 | -9.372 | 0.000 |
| Triglyceride (mmol/L) | 0.97(0.71) | 1.01(0.77) | -1.670 | 0.095 |
| HDL-C (mmol/L) | 1.65 ± 0.75 | 1.92 ± 0.50 | -11.272 | 0.000 |
| LDL-C (mmol/L) | 2.50 ± 0.75 | 2.59 ± 0.72 | -2.350 | 0.019 |
| Apolipoprotein (Apo) AI (g/L) | 1.29 ± 0.32 | 1.42 ± 0.23 | -8.732 | 0.000 |
| ApoB (g/L) | 0.83 ± 0.23 | 0.90 ± 0.21 | -6.656 | 0.000 |
| ApoAI/ApoB | 1.69 ± 0.78 | 1.64 ± 0.43 | 1.703 | 0.089 |
HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol. The value of TG was presented as median (interquartile range). The difference between the two ethnic groups was determined by the Wilcoxon-Mann-Whitney test.