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Table 1 General characteristics of study population in total, men, and women

From: Association between estimated glomerular filtration rate (eGFR) and asymmetric dimethylarginine (ADMA) concentrations among the elderly in a rural community: a cross-sectional study

VariablesTotal (n = 651)Men (n = 269)Women (n = 382)p-value
Age, yr71.6±7.572.2±6.871.1±7.90.061
Body mass index, kg/m224.0±3.423.6±3.424.3±3.40.007
Body surface area1.3±0.31.4±0.31.1±0.2< 0.001
eGFR, mL/min/1.73m267.7[59.5, 76.2]69.4[61.0, 77.5]65.9[57.9, 74.3]0.003
eGFR< 60174(26.7)58(21.6)116(30.4)0.012
eGFR≥60477(73.3)211(78.4)266(69.6) 
BUN, mg/dL15.8[13.1, 19.1]16.6[13.9, 19.3]15.2[12.7, 18.7]0.001
Creatinine, mg/dL0.95[0.85, 1.09]1.06[0.97, 1.19]0.88[0.81, 0.98]< 0.001
ADMA, μmol/L0.674±0.1110.677±0.1090.671±0.1120.542
ADMA elevation *182(28.0)80(12.3)102(15.7)0.396
Systolic BP, mmHg134.2±20.1132.9±19.8135.1±20.30.165
Diastolic BP, mmHg72±10.173.1±10.471.2±9.90.023
Pulse pressure, bpm62.2±16.959.9±15.863.9±17.50.003
Fasting glucose, mg/dL90[83, 101]91[83, 106]89[83, 98]0.034
Fasting insulin, uIU/mL7.6[5.9, 10.3]7.0[5.5, 10.4]7.9[6.2, 10.2]0.006
Total cholesterol, mg/dL181.9±36172.2±34.6188.7±35.5< 0.001
HDL cholesterol, mg/dL50.9±12.750.1±13.351.5±12.30.147
Triglycerides, mg/dL136[102, 188]129[94, 178]141[105, 193]0.029
Diabetes, %150(23.0)71(26.4)79(20.7)0.090
Hypertension, %420(64.5)163(60.6)257(67.3)0.080
Hyperlipidemia, %181(27.8)75(27.9)106(27.8)0.970
Smoking
 Non-smoker456(70.0)82(30.5)374(97.9)< 0.001
 Past smoker117(18.0)117(43.5)0(0.0) 
 Current smoker78(12.0)70(26.0)8(2.1) 
Drinking
 Non-drinker512(78.7)154(57.3)358(93.7)< 0.001
 Current drinker139(21.3)115(42.7)24(6.3) 
  1. Values are shown as mean ± SD, median [IQR], or number (%)
  2. eGFR, estimated glomerular filtration rate; BP, blood pressure; LDL, low-density lipoprotein; HDL, high-density lipoprotein; BUN, blood urea nitrogen; ADMA, asymmetric dimethylarginine
  3. * ADMA elevation, people with ADMA concentrations >75th percentile