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Table 2 Participants, grouping according to Chronic Kidney Disease (CKD) stages, renal diagnoses, co-morbidity, demographic and laboratory data

From: Health-related quality of life in different stages of chronic kidney disease and at initiation of dialysis treatment

 

All patients (n = 535)

CKD stage 2 – 3* GFR range 31–69 (n = 54)

CKD stage 4** GFR range 15–29 (n = 87)

CKD stage 5** GFR range 2–14 (n = 394)

Controls* (n = 55)

Age, M (SD)

61 (15)

47 (11.2)

62 (15.7)

62 (14.4)

48 (10.6)

Females, n (%)

175 (33)

22 (41)

35 (40)

118 (30)

22 (40)

BMI, Md (IQR)

25 (22–28)

25 (22–28)

25 (23–28)

25 (22–28)

24 (22–27)

MAP, M (SD)

101 (15.4)

96 (12.8)

94 (13.4)

103 (5.6)

88 (10.4)

GFR, ml/min/1.73 m²§, M (SD)

15 (16)

60 (6.6)

19 (3.1)

8 (3)

99 (12)

Hb, g/L, M (SD)

115 (17)

136 (14.2)

122 (12.6)

111 (15.6)

142 (11.5)

p-Albumin,g/L, M (SD)

34 (5.5)

38 (3.6)

36 (4.4)

33 (5.6)

40 (2.8)

p-Phosphate, mmol/L, M (SD)

1.8 (0.6)

1.1 (0.2)

1.4 (0.3)

2.0 (0.6)

1.1 (0.2)

PTH, ng/L, Md (IQR)

160 (76–303)

46 (35–56)

146 (91–204)

201 (103–345)

43 (38–53)

CRP, mg/L, Md (IQR)

5 (4–18)

2.4 (1–4.4)

4 (1.6–8.9)

6 (5–23)

0.89 (0.5–2.3)

CRP = 5–10 mg/L, n (%)

182 (34)

5 (9)

17 (20)

160 (41)

2 (4)

CRP = >10 mg/L, n (%)

163 (30)

4 (7)

13 (15)

146 (37)

3 (5)

n, (%)

     

Renal vascular disease

115 (22)

1 (2)

22 (25)

92 (23)

 

Primary glomerulonephritis

95 (18)

18 (33)

12 (13)

65 (17)

 

Familial, hereditary renal disease

58 (11)

12 (20)

6 (7)

40 (10)

 

Secondary glomerular systemic diseasesa

46 (9)

2 (4)

5 (6)

39 (10)

 

Other renal diagnose

101 (19)

13 (24)

20 (23)

68 (17)

 

CVD history b

264 (49)

7 (13)

49 (56)

208 (53)

 

Diabetes history c

158 (30)

11 (20)

40 (46)

107 (27)

 

Other co-morbidityd

119 (22)

2 (4)

22 (25)

95 (24)

 
  1. * GFR  = glomerular filtration rate in ml/min/1.73 m², examined by Iohexol-clearance.
  2. ** GFR estimated by MDRD.BMI = Body Mass Index, MAP = Mean Arterial Pressure, Hb = Hemoglobin. a Secondary glomerular systemic diseases except for diabetic nephropathy. b Cardiovascular disease (CVD) includes cardiac infarction, congestive heart failure, stroke/TIA, atherosclerosis/peripheral vascular disease. c Diabetic nephropathy or diabetes as co-morbidity. d Other co-morbidity includes malignancy, chronic respiratory disease, chronic liver disease and rheumatic disease.