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Table 3 Age-gender standardized baseline demographics and laboratory results according to 24 urine protein excretion in the entire cohort (n = 1,363)

From: Relationship of serum bilirubin concentration to kidney function and 24-hour urine protein in Korean adults

24 hour urine protein (mg/day) <150 ≥ 150 P value
Characteristics n = 810 n = 553  
Age, years 55.9 ± 13.9 55.9 ± 14.9 0.642
Sex,% 0.0001
   Males 44.7 55.5  
   Females 55.3 44.5  
Diabetes,% 47.4 41.2 0.027
Hypertension,% 8.7 21.6 0.0001
eGFR,%, mL/min/1.73 m 2 0.0001
   ≥90 35.8 23.1  
   60-89 44.4 31.1  
   30-59 16.6 31.5  
   15-29 3.2 14.3  
Measurements
   WBC, mm3 7,296 ± 2,940 8,044 ± 3,216 0.0001
   Hb, g/dL 12.5 ± 1.7 11.8 ± 1.9 0.0001
   Platelet, mm3 257,821 ± 93,576 263,793 ± 103,896 0.315
   Protein, g/dL 6.8 ± 1.6 6.5 ± 3.7 0.097
   Albumin, g/dL 4.0 ± 0.4 3.5 ± 0.7 0.0001
   Total cholesterol, mg/dL 194 ± 49 219 ±103 0.0001
   LDL Cholesterol, mg/dL 115 ± 37 115 ± 49 0.952
   HDL cholesterol, mg/dL 45 ± 15 43 ± 16 0.023
   Triglycerides, mg/dL 148 ± 151 174 ± 272 0.037
   AST, IU/L 27 ± 20 29 ± 25 0.139
   ALT, IU/L 27 ± 21 27 ± 28 0.898
   BUN, mg/dL 16.3 ± 7.9 21.7 ± 12.4 0.0001
   Creatinine, mg/dL 0.99 ± 0.41 1.39 ± 0.79 0.0001
   Total Bilirubin, mg/dL 0.78 ± 0.20 0.71 ± 0.22 0.0001
   Direct Bilirubin, mg/dL 0.30 ± 0.09 0.29 ± 0.09 0.003