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Table 1 Survey indicators and statistical analysis of the study participants

From: Association between gene polymorphisms of voltage-dependent Ca2+ channels and hypertension in the Dai people of China: a case-control study

  Hypertensive Normal p
Number of people 495 539  
Sex (male/female) 199/296 186/353 0.059
Age (years) 60.01 ± 10.68 53.37 ± 10.36 < 0.001*
BMI (kg/m2) 23.88 ± 3.12 22.76 ± 3.12 < 0.001*
Systolic blood pressure (mmHg) 164.86 ± 20.22 117.94 ± 10.38 < 0.001*
Diastolic blood pressure (mmHg) 94.48 ± 12.50 72.79 ± 7.382 < 0.001*
Total triglycerides (mmol/L) 2.24 ± 1.67 1.82 ± 1.81 < 0.001*
Low density lipoprotein (mmol/L) 2.83 ± 0.83 2.56 ± 0.75 < 0.001*
High density lipoprotein (mmol/L) 1.43 ± 0.47 1.42 ± 0.31 0.960
  1. Quantitative data are reported as the mean ± standard deviation and were tested with the independent-sample T test. Qualitative data were analysed by the chi-square test
  2. BMI body mass index
  3. *P < 0.05