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Table 2 Age-gender standardized baseline demographics and laboratory results accordings to eGFR in the entire cohort (n = 1,363)

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

eGFR Characteristics ≥90 mL/min/1.73 m2, n = 564 60-89 mL/min/1.73 m2, n = 443 30-59 mL/min/1.73 m2, n = 265 15-29 mL/min/1.73 m2, n = 91 p-value
Age, years 50.1 ± 13.8 57.3 ± 13.8 59.3 ± 13.7 59.4 ± 14.6 0.0001
   T1) a b, c c c  
Sex,%      
   Males 46 48.3 54.3 56  
   Females 54 51.7 45.7 44  
Diabetes,% 52.8 45.1 32.8 29.4  
Hypertension,% 10.1 12.1 23.3 21.2  
Measurements      
   Urine protein, mg/day 572 ± 1,871 744 ± 2,366 1,231 ± 2,236 2,050 ± 3047 0.0001
   T1) a a, b b c  
   WBC, mm3 7,420 ± 3,116 7,534 ± 3,112 7,940 ± 3,003 7,909 ± 2,967 0.252
   Hb, g/dL 12.5 ± 1.7 12.5 ± 1.7 11.6 ± 1.9 10.8 ± 1.8 0.0001
   T1) a a b c  
   Platelet, mm3 276,222 ± 103,955 259,255 ± 92,563 250,831 ± 96,831 235,755 ± 87,964 0.002
   T1) a a, b a, b b  
   Protein, g/dL 6.7 ± 3.3 6.6 ± 0.9 6.7 ± 3.8 6.3 ± 0.8 0.447
   Albumin, g/dL 3.8 ± 0.7 3.8 ± 0.6 3.6 ± 0.7 3.5 ± 0.6 0.0001
   T1) a a a, b b  
   Total cholesterol, mg/dL 204 ± 93 208 ± 71 207 ± 87 205 ± 72 0.215
   LDL Cholesterol, mg/dL 126 ± 55 113 ± 44 109 ± 34 112 ± 40 0.103
   HDL cholesterol, mg/dL 46 ± 16 45 ± 16 42 ± 14 40 ± 12 0.001
   T1) a a, b b, c c  
   Triglycerides, mg/dL 170 ± 360 151 ± 127 155 ± 95 180 ± 192 0.657
   AST, IU/L 29 ± 27 29 ± 20 27 ± 16 29 ± 38 0.108
   ALT, IU/L 28 ± 25 28 ± 23 24 ± 20 26 ± 47 0.197
   Fasting blood glucose, mg/dL 153 ± 81 142 ± 74 127 ± 62 127 ± 69 0.0001
   T1) a a, b b b  
   BUN, mg/dL 12.5 ± 4.5 16.1 ± 5.6 24.3 ± 9.4 38.1 ± 15.5 0.0001
   T1) a a b c  
   Creatinine, mg/dL 0.71 ± 0.13 0.96 ± 0.16 1.51 ± 0.33 2.86 ± 0.69 0.0001
   T1) a b c d  
   Total Bilirubin, mg/dL 0.77 ± 0.22 0.76 ± 0.21 0.72 ± 0.22 0.67 ± 0.21 0.0001
   T1) a, b a, b b, c c  
   Direct Bilirubin, mg/dL 0.31 ± 0.09 0.30 ± 0.09 0.30 ± 0.10 0.28 ± 0.09 0.222
  1. 1) The same letters indicate non-significant difference between groups based on Turey's multiple comparison test