Table 1.
Characteristics of patients hospitalized with a first-time diagnosis of heart failure during 1980–2012 and members of the general population comparison cohort
| Heart failure cohort (n=324,418) |
Comparison cohort cohort (n=1,622,079) |
|
|---|---|---|
| Gender | ||
| Male | 168,564 (52) | 842,810 (52) |
| Age, years | ||
| <60 | 31,848 (10) | 159,659 (10) |
| 60–69 | 57,446 (18) | 287,942 (18) |
| 70–79 | 109,496 (34) | 546,989 (34) |
| ≥80 | 125,628 (39) | 627,489 (39) |
| Median (interquartile range) | 77 (69–84) | 77 (69–84) |
| Decade of diagnosis | ||
| 1980–1989 | 96,020 (30) | 480,096 (30) |
| 1990–1999 | 109,866 (34) | 549,327 (34) |
| 2000–2012 | 118,532 (37) | 592,656 (37) |
| Comorbidities | ||
| Myocardial infarction | 51,802 (16) | 69,041 (4) |
| Angina pectoris | 53,484 (17) | 89,915 (6) |
| Atrial fibrillation or flutter | 39,005 (12) | 61,464 (4) |
| Valvular heart disease | 14,329 (4) | 14,878 (0.9) |
| Hypercholesterolemia | 9,066 (3) | 18,136 (1) |
| Hypertension | 52,564 (16) | 119,823 (7) |
| Stroke | 20,625 (6) | 57,244 (4) |
| Obesity | 14,292 (4) | 20,342 (1) |
| Diabetes mellitus | 36,143 (11) | 60,980 (4) |
| Chronic pulmonary disease | 46,660 (14) | 76,580 (5) |
| Myxedema | 4,995 (2) | 12,458 (0.8) |
| Alcoholism-related diseases | 8,480 (3) | 16,852 (1) |
| Head trauma | 43,632 (13) | 183,321 (11) |
| Osteoartrhitis | 38,387 (12) | 146,389 (9) |
| Anemia | 19,575 (6) | 42,714 (3) |
| Chronic kidney disease | 10,095 (3) | 12,900 (0.8) |
| Charlson Comorbidity Index* | ||
| Normal | 235,534 (73) | 1,350,105 (83) |
| Moderate | 45,406 (14) | 118,649 (7) |
| Severe | 31,105 (10) | 123,189 (8) |
| Very severe | 12373 (4) | 30,136 (2) |
Values are given as n (%).
*
Categories of comorbidity were based on scores on the modified Charlson Comorbidity Index of 0 (normal), 1 (moderate), 2 (severe), and ≥3 (very severe)