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Table 1 Comparison of demographic, lifestyle characteristics and serum lipid levels between Bai Ku Yao and Han Chinese

From: Peroxisome proliferator-activated receptor delta +294T > C polymorphism and serum lipid levels in the Guangxi Bai Ku Yao and Han populations

Parameter Bai Ku Yao Han Chinese t(χ)2 P
Number 609 573 - -
Male/female 288/321 260/313 0.436 0.509
Age (years) 41.75 ± 15.46 42.18 ± 15.63 -0.480 0.631
Height (cm) 152.56 ± 7.40 154.33 ± 8.40 -3.828 0.000
Weight (kg) 51.65 ± 7.39 53.62 ± 8.92 -4.151 0.000
Body mass index (kg/m2) 22.14 ± 2.41 22.48 ± 3.03 -2.109 0.035
Systolic blood pressure (mmHg) 119.71 ± 17.96 120.73 ± 16.00 -1.036 0.300
Diastolic blood pressure (mmHg) 75.80 ± 9.64 75.97 ± 10.40 -0.293 0.769
Pulse pressure (mmHg) 43.91 ± 13.24 44.76 ± 11.00 -1.217 0.224
Cigarette smoking [n (%)]     
   Nonsmoker 423 (69.5) 404 (70.5)   
   < 20 cigarettes/day 82 (13.4) 72 (12.6)   
   ≥ 20 cigarettes/day 104 (17.1) 97 (16.9) 0.233 0.890
Alcohol consumption [n (%)]     
   Nondrinker 343 (56.3) 342 (59.7)   
   < 25 g/day 163 (26.8) 149 (26.0)   
   ≥ 25 g/day 103 (16.9) 82 (14.3) 1.919 0.383
Total cholesterol (mmol/L) 4.35 ± 0.92 4.76 ± 1.03 -7.215 0.000
Triglycerides (mmol/L) 0.98 (0.78) 1.01 (0.66) -0.956 0.339
HDL-C (mmol/L) 1.68 ± 0.41 1.92 ± 0.49 -8.968 0.000
LDL-C (mmol/L) 2.57 ± 0.77 2.61 ± 0.76 -0.823 0.411
Apolipoprotein (Apo) AI (g/L) 1.32 ± 0.31 1.41 ± 0.24 -5.896 0.000
ApoB (g/L) 0.83 ± 0.23 0.91 ± 0.22 -5.771 0.000
ApoAI/ApoB 1.71 ± 0.72 1.64 ± 0.49 1.998 0.046
  1. 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.