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

From: The proprotein convertase subtilisin/kexin type 9 gene E670G polymorphism and serum lipid levels in the Guangxi Bai Ku Yao and Han populations

Characteristic Bai Ku Yao Han Chinese t(χ2) P
Number 649 646 - -
Male/female 324/325 320/326 0.139 0.889
Age (years) 35.68 ± 13.69 36.59 ± 17.56 -1.040 0.298
Height (cm) 153.27 ± 7.17 156.89 ± 8.83 -8.356 0.000
Weight (kg) 51.85 ± 6.99 54.32 ± 10.32 -5.044 0.000
Body mass index (kg/m2) 22.04 ± 2.28 22.03 ± 3.65 0.042 0.967
Systolic blood pressure (mmHg) 116.48 ± 15.78 119.54 ± 17.16 -3.339 0.001
Diastolic blood pressure (mmHg) 74.81 ± 8.99 75.34 ± 11.10 -0.936 0.350
Pulse pressure (mmHg) 41.66 ± 11.64 44.21 ± 11.9 -3.897 0.000
Cigarette smoking [n (%)]     
   Nonsmoker 442 (68.1) 492 (76.2)   
   < 20 cigarettes/day 101 (15.6) 46 (7.1)   
   ≥ 20 cigarettes/day 106 (2.3) 108 (16.7) 1.468 0.142
Alcohol consumption [n (%)]     
   Nondrinker 383 (59.0) 490 (75.9)   
   < 25 g/day 186 (28.7) 112 (17.3)   
   ≥ 25 g/day 74 (11.4) 44 (6.8) 5.653 0.000
Total cholesterol (mmol/L) 4.23 ± 0.93 4.63 ± 1.07 6.342 0.000
Triglyceride (mmol/L) 0.99 (0.66) 1.02 (0.74) -1.716 0.086
HDL-C (mmol/L) 1.64 ± 0.41 1.75 ± 0.47 -4.643 0.000
LDL-C (mmol/L) 2.50 ± 0.76 2.65 ± 0.82 -3.155 0.002
Apolipoprotein (Apo) AI (g/L) 1.28 ± 0.32 1.35 ± 0.31 -3.867 0.000
ApoB (g/L) 0.83 ± 0.21 0.84 ± 0.24 -1.076 0.282
ApoAI/ApoB 1.68 ± 0.78 1.72 ± 0.61 -0.899 0.369
  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.