Table 2.
Baseline Characteristics of Patients Hospitalized for the First AMI With or Without Heart Failure (HF) During Follow‐up: A CVDNOR Project
| Patient Characteristics | No HF (n=62 494) | In‐Hospital HF (n=16 219) | Post‐AMI Discharge HF (n=8058) |
|---|---|---|---|
| Age, mean (SD) | 66.1 (12.5) | 72.5 (10.9)a | 73.7 (9.9)a |
| Age group, n (%) | |||
| 25 to 54 y | 12 399 (19.8) | 1291 (8.0) | 466 (5.8) |
| 55 to 74 y | 30 169 (48.3) | 6143 (37.8) | 2856 (35.4) |
| 75 to 85 y | 19 926 (31.9) | 8785 (54.2) | 4736 (59.8) |
| Sex (men), n (%) | 42 716 (68.4) | 9872 (60.9) | 4887 (60.6) |
| Comorbidities, n (%) | |||
| Diabetes mellitus | 7239 (11.6) | 2870 (17.7)b | 1445 (17.9)b |
| Stroke | 2044 (3.3) | 675 (4.2) | 331 (4.1) |
| Hypertension | 18 021 (28.8) | 4196 (25.9)b | 2415 (30.0) |
| Chronic obstructive pulmonary disease | 4226 (6.8) | 1864 (11.5)b | 984 (12.2)b |
| Chronic renal failure | 1338 (2.1) | 906 (5.6)b | 340 (4.2)b |
| Cardiac coexisting conditions/complications, n (%) | |||
| Atrial fibrillation | 6038 (9.7) | 3594 (22.2)b | 1607 (19.9)b |
| Ventricular fibrillation | 1070 (1.7) | 538 (3.3)b | 114 (1.4) |
| Atrioventricular blocks | 743 (1.2) | 309 (1.9)b | 142 (1.8)c |
| Length of AMI hospitalization (days), median (p5–p95) | 6 (2–23) | 10 (4–44)b | 7 (3–31)b |
| Procedures during hospitalization for the index AMI, n (%) | |||
| Coronary angiography | 29 186 (46.7) | 5700 (35.2)b | 2203 (27.3)b |
| Percutaneous coronary intervention | 19 741 (31.6) | 3393 (20.9)b | 1371 (17.0)b |
| Coronary artery bypass grafting | 3676 (5.8) | 1046 (6.5)b | 285 (3.6)c |
AMI indicates acute myocardial infarction; CVDNOR, Cardiovascular Disease in Norway.
a
P<0.001 for comparisons between patients with in‐hospital HF or post‐AMI discharge HF with those without HF during the follow‐up (adjusted for sex).
b
P<0.001 for comparisons between patients with in‐hospital HF or post‐AMI discharge HF with those without HF during the follow‐up (adjusted for age and sex).
c
P<0.01 for comparisons between patients with in‐hospital HF or post‐AMI discharge HF with those without HF during the follow‐up (adjusted for age and sex).