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Table 2 Patients' characteristics at randomisation. If not otherwise stated, data is arithmetic mean and standard deviation.

From: Effects of an interactive CD-program on 6 months readmission rate in patients with heart failure – a randomised, controlled trial [NCT00311194]

Patient characteristics Controls Intervention
Number of patients 108 122
Sex (F/M) 26/82 42/80
Age, years (range) 70.8 (41–88) 70.3 (34–89)
Weight, kg 81.8 (20.2) 77.6 (17.3)
Height, cm 173.6 (8.2) 172.0 (9.6)
Treatment at randomisation   
Diuretics, n (%) 95 (90) 110 (90)
ACE-inhibitors, n (%) 85 (79) 99 (81)
Beta-blockers, n (%) 46 (43) 67 (55)
Spironolactone, n (%) 24 (22) 22 (18)
Digitalis, n (%) 28 (26) 54 (44)*
Aspirin, n (%) 36 (33) 60 (49)*
Blood chemistry   
Creatinine, μmol/L 120.1 (43.0) 111.4 (42.4)
Glucose, mmol/L (median, inter-quartile range) 5.5 (4.8–7.2) 5.65 (4.7–6.7)
Potassium, mmol/L 4.0 (0.4) 4.0 (0.4)
  1. * Significant differences between treatment groups (Fisher's exact test), p = 0.004 and 0.016 respectively.