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Table 1 Clinical characteristics of subjects

From: The association and predictive value analysis of metabolic syndrome combined with resting heart rate on cardiovascular autonomic neuropathy in the general Chinese population

Variable Entire sample Subjects without CAN Subjects with CAN P value*
Demographic information     
 N 2096 1705 387  
 Age (years) 60.42 ± 8.68 59.85 ± 8.64 62.94 ± 8.43 <0.001
 Gender (male,%) 705(33.7%) 562(32.96%) 143(36.95%) 0.134
 BMI (kg/m2) 24.21 ± 3.37 24.07 ± 3.28 24.84 ± 3.7 <0.001
 WC (cm) 85.07 ± 9.77 84.47 ± 9.62 87.72 ± 9.99 <0.001
 SBP (mmHg) 127.62 ± 18.77 126.39 ± 18.22 133.05 ± 20.19 <0.001
 DBP (mmHg) 79.83 ± 9.74 79.5 ± 9.65 81.31 ± 10.01 0.001
Laboratory measurement     
 FPG (mmol/L) 5.53 ± 1.82 5.4 ± 1.58 6.12 ± 2.54 <0.001
 PBG (mmol/L) 7.67 ± 3.63 7.36 ± 3.3 9.07 ± 4.6 <0.001
 HbAlc (%) 6 ± 1.08 5.89 ± 0.92 6.47 ± 1.54 <0.001
 FINS uml 7.19 ± 11.86 6.74 ± 8.03 9.18 ± 21.71 <0.001
 IR (mmol/L) 1.81 ± 3.31 1.64 ± 2.13 2.54 ± 6.22 <0.001
 TC (mmol/L) 5.32 ± 1 5.31 ± 0.98 5.39 ± 1.05 0.142
 TG (mmol/L) 1.71 ± 0.98 1.67 ± 0.93 1.9 ± 1.17 <0.001
 HDL (mmol/L) 1.36 ± 0.32 1.36 ± 0.33 1.34 ± 0.32 0.203
 LDL (mmol/L) 3.19 ± 0.77 3.18 ± 0.76 3.23 ± 0.81 0.229
 SCr (μmol/L) 77.81 ± 26.11 77.65 ± 26.96 78.51 ± 21.98 0.561
 UA (μmol/L) 281.21 ± 84.01 280.13 ± 83.47 285.99 ± 86.26 0.216
HRV indices     
 HR (bpm) 72.42 ± 10.13 70.77 ± 9.08 79.7 ± 11.26 <0.001
 TP (ms2) 873.95 ± 702.47 1000.63 ± 693.2 315.87 ± 410.75 <0.001
 LF (ms2) 190.98 ± 207.88 224.34 ± 215.08 43.97 ± 57.29 <0.001
 HF (ms2) 183.05 ± 219.43 215.11 ± 229.61 41.82 ± 59.63 <0.001
 LF/HF 1.7 ± 1.98 1.55 ± 1.48 2.37 ± 3.32 <0.001
Medical history     
 Smoking (yes,%) 306(14.63%) 244(14.31%) 62(16.02%) 0.39
 MetS (yes,%) 833(39.82%) 629(36.89%) 204(52.71%) <0.001
 DM (yes,%) 446(21.33%) 307(18.02%) 139(35.92%) <0.001
 HT (yes,%) 976(46.65%) 735(43.11%) 241(62.27%) <0.001
  1. Note: *present the difference between subjects with and without cardiovascular autonomic neuropathy (CAN). BMI- Body mass index, WC-waist circumference, SBP- systolic blood pressure, DBP- diastolic blood pressure, FPG- fasting plasma glucose, PBG- plasma blood glucose, FINS- fasting blood insulin, IR-insulin resistance, TC- serum total cholesterol, TG- triglyceride, UA- uric acid, HDL- high-density lipoprotein cholesterol, LDL- low density lipoprotein cholesterol, SCr- serum creatinine, HR-heart rate, TP-total power of variance, LF-low frequency, HF-high frequency, MetS- metabolic syndrome, HT- Hypertension, DM- Diabetes.