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Table 1 Baseline characteristics of participants by indicators of CKD

From: Reduced Kidney Function, Albuminuria, and Risks for All-cause and Cardiovascular Mortality in China: A Population-based Cohort Study

Characteristics Total(n = 47,204) eGFR < 60 mL/min per 1.73 m2(n = 2090) eGFR ≥ 60 mL/min per 1.73 m2(n = 45,114) ACR ≥ 30 mg/g(n = 5472) ACR < 30 mg/g(n = 41,732)
Age (years) 49.6 ± 15.2 67.2 ± 13.3 48.8 ± 14.8 52.8 ± 15.6 49.2 ± 15.1
Men 20,148(42.7%) 665(31.8%) 19,483(43.2%) 2117(38.7%) 18,031(43.2%)
Rural residents 21,859(46.3%) 950(45.5%) 20,909(46.3%) 2338(42.7%) 19,521(46.8%)
Educated to high school or abovea 20,950(44.5%) 515(24.7%) 20,435(45.4%) 2183(40.0%) 18,767(45.1%)
Current smoker 11,094(23.5%) 350(16.8%) 10,744(23.8%) 1136(20.8%) 9958(23.9%)
Nephrotoxic medication used 1536(3.3%) 119(5.7%) 1417(3.1%) 236(4.3%) 1300(3.1%)
History of MI or strokea 1220(2.9%) 181(10.0%) 1039(2.6%) 204(4.0%) 1016(2.7%)
Hypertensiona 16,691(35.4%) 1275(61.1%) 15,329(34.2%) 2655(48.6%) 13,949(33.6%)
Diabetesa 3488(7.4%) 341(16.3%) 3147(7.0%) 736(13.5%) 2752(6.6%)
Body-mass index (kg/m2) a 23.9 ± 3.7 24.3 ± 3.8 23.9 ± 3.7 24.4 ± 3.9 23.8 ± 3.7
Triglycerides (mmol/L)a 1.1(0.80, 1.7) 1.4(0.97, 2.0) 1.1(0.76, 1.7) 1.3(0.87, 1.9) 1.1(0.76, 1.7)
LDL cholesterol (mmol/L)a 2.9 ± 0.95 3.2 ± 1.1 2.9 ± 0.94 2.9 ± 0.93 3.0 ± 0.95
Creatinine (μmol/L) 74.8 ± 20.6 113.8 ± 53.4 73.0 ± 15.4 80.6 ± 28.6 74.0 ± 19.1
eGFR (mL/min per 1.73m2) 92.0 ± 18.7 51.1 ± 9.4 93.9 ± 16.7 84.1 ± 19.3 93.1 ± 18.4
ACR (mg/g creatinine; median[IQR]) 6.6(3.1, 13.6) 10.2(3.9, 30.8) 6.6(3.1, 13.3) 74.5(42.7, 156.0) 5.8(2.6, 10.2)
  1. Abbreviations CKD chronic kidney disease, eGFR estimated glomerular filtration rate, ACR albumin creatinine ratio, MI myocardial infarction, LDL low density lipoprotein
  2. Data are n(%) or mean ± SD, unless stated otherwise. ACR presented as median and interquartile range because of high skew. aMissing counts: 119 – education level: 4870 – cardiovascular disease history; 243 – hypertension status; 45 – diabetes mellitus: 333 – body-mass index; 41 – triglycerides; 5559 – LDL cholesterol