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Table 1 Basic patient characteristics according to microalbuminuria status

From: Metabolic syndrome, C-reactive protein and microalbuminuria in a rural Chinese population: a cross-sectional study

  Total Normoalbuminuria Microalbuminuria * pvalue
  n = 4191 n = 3538 n = 653  
Age (y) 51.7 ± 11.1 51.1 ± 11.1 54.7 ± 10.7 <0.001
Female, No. (%) 2320(55.4) 1919(54.2) 401(61.4) 0.001
Current smoker, No. (%) 1078(26.0) 929(26.5) 149(23.2) 0.09
Current drinker, No. (%) 774(18.7) 659(18.8) 115(18.0) 0.63
High school education, No. (%) 132(3.2) 110(3.1) 22(3.4) 0.71
Cardiovascular disease, No. (%) 207(4.9) 162(4.6) 45(7.0) 0.01
Stroke, No. (%) 101(2.4) 89(2.5) 12(1.9) 0.32
BMI (kg/m2) 24.7 ± 3.7 24.7 ± 3.7 24.7 ± 3.8 0.96
Waist circumference (cm) 87.9 ± 9.6 87.7 ± 9.6 88.8 ± 9.5 0.009
Systolic BP (mm Hg) 139.4 ± 22.1 138.1 ± 21.5 146.4 ± 24.4 <0.001
Diastolic BP(mm Hg) 77.7 ± 12.2 77.3 ± 12.0 80.1 ± 13.2 <0.001
Fasting glucose (mmol/L) 5.8 ± 1.3 5.7 ± 1.2 6.1 ± 1.9 <0.001
Triglycerides (mmol/L) 1.5 ± 1.0 1.5 ± 0.9 1.6 ± 1.3 <0.001
HDL cholesterol (mmol/L) 1.3 ± 0.3 1.3 ± 0.2 1.3 ± 0.3 0.33
SCr (umol/L) 71.4 ± 10.8 71.5 ± 10.7 70.8 ± 11.3 0.11
Diabetes, No. (%) 259(6.2) 195(5.5) 64(9.8) <0.001
Hypertension, No. (%) 2076(49.5) 1672(47.3) 404(61.9) <0.001
CRP (mg/L) 0.8(0.4-2.1) 0.8(0.4-2.0) 1.0(0.4-2.3) 0.01
High CRP , No. (%) 660(15.7) 535(15.1) 125(19.1) 0.01
Obesity, No. (%) 1737(41.4) 1467(41.5) 270(41.3) 0.96
High BP, No. (%) 2723(65.0 ) 2233(63.1) 490(75.0) <0.001
High fasting glucose, No. (%) 818(19.5) 643(18.2) 175(26.8) <0.001
High triglycerides, No. (%) 1185(28.3) 982(27.8) 203(31.1) 0.08
Low HDL cholesterol, No. (%) 797(19.0) 677(19.1) 120(18.4) 0.65
MetS , No. (%) 1076(25.7) 873(24.7) 203(31.1) 0.001
  1. BMI body mass index, BP blood pressure, CRP C-reactive protein, HDL high density lipoprotein, MetS metabolic syndrome, SCr serum creatinine.
  2. * Microalbuminuria was defined as a urinary albumin/creatinine ratio (ACR) of 30–300 mg/g.
  3. High CRP was defined as a CRP ≥3 mg/dl.
  4. MetS was defined by the Chinese Diabetes Society (CDS).