Table 1 Demographic and baseline characteristics

Demography

Age, years

85±3.8

0 (0.0%)

Sex ratio

1:1

0 (0.0%)

Social data, n (%)

36 (23.4%)

Live at home

133 (90.5%)

Live in couple

63 (51.6%)

Smoking status, n (%)

19 (12.3%)

No smoking

94 (69.1%)

Former or current smoking

42 (30.9%)

Clinical

BMI, kg/m²

26.1±5.2

21 (13.6%)

SBP, mm Hg

142.9±20.5

0 (0.0%)

DBP, mm Hg

73.5±10.6

0 (0.0%)

Walking

10 (6.5%)

Total disability

4 (2.8%)

Need assistance

44 (30.3%)

Walk independently

97 (66.9%)

Handicap, n (%)

43 (30.3%)

13 (8.4%)

Peripheral oedema, n (%)

58 (38.2%)

3 (1.9%)

Aetiology of renal disease, n (%)

1 (0.6%)

Vascular nephropathy*

53 (34.4%)

Diabetic nephropathy

11 (7.2%)

Tubulointerstitial nephritis

11 (7.2%)

Glomerulonephritis

3 (1.9%)

Undefined aetiology

59 (38.3%)

Other

17 (11.0%)

Stages CKD**, n (%)

0 (0.0%)

Stage 3b CKD

35 (22.3%)

Stage 4 CKD

105 (67.8%)

Stage 5 CKD

15 (9.9%)

Cognitive function, MMSE score

26.0±4.2

34 (22.1%)

Quality of life, SF-36 score

49 (31.8%)

Physical health summary score

35.5±8.9

Mental health summary score

45.2±10.5

Laboratory tests

Serum creatinine, mg/dL

2.5±0.8

0 (0.0%)

eGFR, ml/min/1.73m²

24.3±6.7

0 (0.0%)

Blood urea, mmol/L

14.3±10.0

31 (20.1%)

Albumin, g/dL

3.9±0.5

79 (51.3%)

CRP, mg/dL

0.9±1.0

70 (45.5%)

Proteinuria, g/24 hours

0.98±1.79

83 (53.9%)

Cholesterol, mmol/L

5.0±1.1

74 (48.1%)

HDL, mmol/L

1.7±2.0

93 (60.4%)

LDL, mmol/L

3.2±3.2

93 (60.4%)

Triglycerides, mmol/L

1.5±0.8

74 (48.1%)

Calcium, mmol/L

2.3±0.2

27 (17.5%)

Phosphate, mg/dL

3.8±0.9

36 (23.4%)

Haemoglobin, g/dL

11.7±1.7

15 (9.7%)

Haematocrit, %

35.6±5.2

23 (14.9%)

Ferritin, ng/mL

226.3±325.0

90 (58.4%)

TSAT, %

23.5±9.2

118 (77.6%)