Table 3

Model with all universally available baseline variables

HRLower CIUpper CIp Value
Sex × digoxin interaction1.020.951.090.65
Digoxin use1.000.951.050.89
Female sex0.860.830.90<0.0001
Year of CHF diagnosis0.990.980.99<0.0001
Age 50–64 years0.420.400.44<0.0001
Age 65–74 years0.580.560.60<0.0001
Hypertension0.910.880.94<0.0001
Stroke1.341.291.40<0.0001
MI1.151.111.20<0.0001
COPD1.361.301.43<0.0001
Fracture1.081.031.140.001
Diabetes1.341.281.40<0.0001
Atrial fibrillation0.930.890.970.001
Loop diuretic use1.271.231.32<0.0001
Potassium-sparing diuretic use1.071.031.110.00
Thiazide diuretic1.030.991.070.16
Oral anticoagulant use0.920.870.980.001
β Blocker use0.830.790.86<0.0001
ACE use0.970.931.000.07
ARB use0.900.820.980.01
CCB use0.930.900.970.001
  • ARB, angiotensin receptor blocker; CCB, calcium channel blocker; COPD, chronic obstructive pulmonary disease; MI, myocardial infarction.