Table 2:

Characteristics of patients with incident heart failure by clinical site and time of diagnosis

CharacteristicInpatientsOutpatients
1997
n = 20 039
2007
n = 17 262
p value1997
n = 19 830
2007
n = 17 283
p value
Women, %51.051.80.0951.847.5< 0.001
Age, yr, %< 0.001< 0.006
 20–6417.919.019.925.1
 65–7427.020.326.721.3
 75–8435.335.334.933.9
 ≥ 8519.825.418.619.7
Age, median, yr7678< 0.0017576< 0.001
Cardiovascular comorbidities, %
 Atrial fibrillation or flutter22.930.2< 0.00110.713.9< 0.001
 Cerebrovascular disease15.610.7< 0.00110.47.0< 0.001
 Hypertension35.747.2< 0.00121.525.2< 0.001
 Ischemic heart disease54.444.0< 0.00126.823.7< 0.001
 Peripheral vascular disease10.67.3< 0.0015.34.0< 0.001
 Valvular heart disease9.69.50.64.24.50.1
Other comorbidities, %
 Metastatic cancer3.74.10.041.91.70.3
 Primary cancer8.89.10.25.75.70.99
 Dementia5.09.2< 0.0012.73.4< 0.001
 Diabetes26.134.6< 0.00112.916.4< 0.001
 Digestive ulcer disease3.32.7< 0.0012.21.5< 0.001
 Chronic obstructive pulmonary disease25.522.5< 0.00112.79.2< 0.001
 Rheumatic disease2.52.0< 0.0011.51.20.007
Charlson–Deyo Comorbidity Index score, %< 0.001< 0.001
 020.019.354.556.2
 130.821.220.217.4
 221.820.112.510.9
 ≥ 327.539.412.715.5
Charlson–Deyo score, mean1.92.3< 0.0011.01.1< 0.001