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Table 1 Characteristics of the study participants among the groups divided by eGFR*

From: Risk factors for chronic kidney disease in Japan: a community-based study

 

eGFR, mL/min/1.73 m2

 

15--59

60--89

≥ 90

p value

Participants, n (%)

130 (8.4)

1058 (68.1)

366 (23.5)

 

Male sex, %

29.2

36.9

39.6

0.108

Mean age (SD), y

73.0 (8.0)

65.7 (12.1)

51.7 (15.6)

< 0.001

Mean body mass index (SD), kg/m2

22.7 (3.3)

22.5 (3.0)

21.7 (3.3)

< 0.001

Mean HbA1c (SD), %

5.45 (0.6)

5.25 (0.7)

5.14 (0.8)

< 0.001

Mean hemoglobin level (SD),

   

< 0.001

   mmol/L

7.89 (0.90)

8.37 (0.87)

8.33 (1.04)

 

   mg/dL

12.71 (1.45)

13.48 (1.40)

13.42 (1.68)

 

Mean serum cholesterol level (SD),

   

< 0.001

   mmol/L

5.24 (0.859)

5.14 (0.819)

4.79 (0.768)

 

   mg/dL

202.6 (33.2)

198.96 (31.7)

185.3 (29.7)

 

Mean serum triglyceride level (SD),

   

< 0.001

   mmol/L

1.28 (0.640)

1.19 (0.652)

1.00 (0.598)

 

   mg/dL

113.7 (56.7)

105.3 (57.7)

88.2 (53.0)

 

Mean serum HDL cholesterol level (SD),

   

< 0.001

   mmol/L

1.35 (0.331)

1.38 (0.313)

1.45 (0.333)

 

   mg/dL

52.1 (12.8)

53.5 (12.1)

56.1 (12.9)

 

Mean AST (SD), U/L

25.6 (8.9)

26.3 (40.7)

23.4 (14.1)

0.399

Mean ALT (SD), U/L

19.2 (9.9)

24.4 (84.5)

20.9 (13.0)

0.577

Mean γ-GT (SD), U/L

32.8 (32.6)

39.9 (54.7)

41.5 (64.0)

0.303

Mean serum creatinine level (SD),

   

< 0.001

   μmol/L

91.5 (15.26)

67.9 (7.63)

57.2 (7.63)

 

   mg/dL

1.20 (0.2)

0.89 (0.1)

0.75 (0.1)

 

Mean systolic blood pressure (SD), mmHg

137.9 (22.1)

133.2 (21.1)

123.8 (21.2)

< 0.001

Mean diastolic blood pressure (SD), mmHg

78.8 (12.4)

78.7 (10.9)

75.5 (11.2)

< 0.001

Mean U-ALB Ratio (SD), mg/g

71.5 (298.1)

17.3 (43.7)

14.8 (32.6)

< 0.001

Mean U-Col4 Ratio (SD), μg/g

7.36 (6.2)

6.45 (3.7)

6.70 (4.2)

0.047

  1. * All values are expressed as means (SD).
  2. † Abbreviations are: eGFR, estimated glomelurar filtration rate; HbA1c, glycated hemoglobin; HDL, high-density lipoprotein; AST, aspartate amino transferase; ALT, alanine amino transferase; γ-GT, ganma-glutamyl transpeptidase; U-ALB Ratio, urinary albumin-creatinine ratio; U-Col4 Ratio, urinary type4 collagen creatinine ratio.