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Table 1 Baseline characteristics of subject

From: The analysis of a reference value for baroreflex sensitivity and cardiovascular autonomic neuropathy prevalence in a Chinese population

Variables Overall total sample Healthy subjects P value
Demographic information    
N 2,092 349  
Age (years) 60.42 ± 8.68 56.37 ± 8.81 <0.001
Gender (male,%) 705 (33.7%) 73 (20.09%) <0.001
Body mass index (kg/m2) 24.21 ± 3.36 21.58 ± 1.99 <0.001
Waist circumference (cm) 85.07 ± 9.70 77.02 ± 6.86 <0.001
Sysytolic blood pressure (mmHg) 127.62 ± 18.68 114.41 ± 10.94 <0.001
Diastolic blood pressure (mmHg) 79.83 ± 9.69 73.74 ± 6.91 <0.001
Laboratory assays    
Fasting plasma glucose (mmol/L) 5.53 ± 1.81 4.64 ± 0.60 <0.001
Plasma blood glucose (mmol/L) 7.67 ± 3.56 5.29 ± 1.10 <0.001
Serum total cholesterol (mmol/L) 5.32 ± 1.00 5.19 ± 0.97 <0.001
Triglycerides (mmol/L) 1.71 ± 0.98 1.10 ± 0.31 <0.001
HDL (mmol/L) 1.36 ± 0.32 1.54 ± 0.33 <0.001
LDL (mmol/L) 3.19 ± 0.77 3.04 ± 0.77 <0.001
Uric acid (μmol/L) 281.21 ± 83.79 240.91 ± 67.80 <0.001
BRS measurement    
Heart rate (beats/min) 72.42 ± 10.13 68.44 ± 8.69 <0.001
TP.brs (ms/mmHg) 9.38 ± 21.94 11.51 ± 11.16 0.026
HF.brs (ms/mmHg) 9.54 ± 22.80 10.97 ± 12.59 0.162
LF.brs (ms/mmHg) 11.87 ± 14.83 14.96 ± 12.83 0.001
Medical history    
Smoking (yes,%) 306 (14.63%) 28 (8.00%) <0.001
Hypertension (yes,%) 976 (46.65%) 0 (0%) <0.001
Diabetes mellitus (yes,%) 446 (21.33%) 0 (0%) <0.001
Metabolic syndrom (yes,%) 833 (39.82%) 0 (0%) <0.001
  1. BRS, baroreflex sensitivity; HDL, high-density lipoprotein cholesterol; HF, high frequency; LDL, low density lipoprotein cholesterol; LF, low frequency; TP, total power of variance.