Table 1 Baseline characteristics of the SHADES study population 2008-2009

Mean age/years (range)

82.8 (65-98)

85.7 (65-101)

Mean body mass index (range)

25.1 (16.5-35.9)

25.3 (12.1-41.9)

Number with diabetes mellitus

15 (24%)

34 (19%)

Number with hypertension

18 (29%)

52 (29%)

Number with heart failure

9 (14%)

24 (13%)

Number with atrial fibrillation

11 (17%)

29 (16%)

Number with arthritis/arthrosis

3 (5%)

18 (10%)

Mean number of medications (range)

7.2 (1-14)

7.1 (0-14)

Mean systolic blood pressure/mm Hg (range)

127.0 (85-210)

137.6 (80-215)

Mean diastolic blood pressure/mm Hg (range)

71.5 (30-95)

73.6 (40-110)

Mean serum creatinine level/μmol/L (range)

111.7 (57-609)^a

81.7 (44-223)

Mean cystatin C level/mg/L (range)

1.48 (0.90-4.39)

1.37 (0.71-3.11)

Mean cystatin C- eGFR/ml/min/1.73 m² (range)

54.5 (10-101)

59.9 (13-140)

Mean eGFR (Cockcroft-Gault)/ml/min/1.73 m² (range)

51.4 (7-101)

50.5 (15-115)

Mean eGFR (MDRD)/ml/min/1.73 m² (range)

67.2 (8-118)

64.9 (18-120)