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 | 677 | 646 | - | - |
| Male/female | 324/353 | 315/331 | 0.108 | 0.783 |
| Age (years) | 39.74 ± 16.01 | 41.29 ± 16.39 | -1.734 | 0.083 |
| Body mass index (kg/m2) | 22.08 ± 2.39 | 22.40 ± 3.15 | -2.082 | 0.038 |
| Systolic blood pressure (mmHg) | 118.6 ± 17.01 | 121.70 ± 16.72 | -3.294 | 0.001 |
| Diastolic blood pressure (mmHg) | 75.18 ± 9.64 | 76.27 ± 10.86 | -1.936 | 0.053 |
| Pulse pressure (mmHg) | 43.46 ± 12.69 | 45.44 ± 10.97 | -3.026 | 0.003 |
| Cigarette smoking [n (%)] | ||||
| Nonsmoker | 477 (70.5) | 458 (70.5) | ||
| <20 cigarettes/day | 93 (13.0) | 84 (13.7) | ||
| ≥ 20 cigarettes/day | 107 (16.1) | 104 (15.8) | 0.160 | 0.923 |
| Alcohol consumption [n (%)] | ||||
| Nondrinker | 386 (57.0) | 406 (62.8) | ||
| <25 g/day | 219 (32.3) | 105 (16.3) | ||
| ≥ 25 g/day | 72 (10.6) | 135 (20.9) | 59.096 | 0.000 |
| Total cholesterol (mmol/L) | 4.31 ± 0.91 | 4.71 ± 1.01 | -7.485 | 0.000 |
| Triglycerides (mmol/L) | 1.00 (0.65) | 1.01 (0.64) | -1.1670 | 0.243 |
| HDL-C (mmol/L) | 1.65 ± 0.40 | 1.88 ± 0.49 | -9.271 | 0.000 |
| LDL-C (mmol/L) | 2.55 ± 0.75 | 2.62 ± 0.76 | -1.663 | 0.097 |
| Apolipoprotein (Apo) AI (g/L) | 1.29 ± 0.31 | 1.41 ± 0.28 | -7.067 | 0.000 |
| ApoB (g/L) | 0.84 ± 0.22 | 0.89 ± 0.23 | -4.134 | 0.000 |
| ApoAI/ApoB | 1.65 ± 0.70 | 1.68 ± 0.57 | -4.484 | 0.628 |
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.