Patient characteristics, postadmission procedures and patient outcomes
| n=19 926 | |
|---|---|
| Patient characteristics | |
| Women, n (%) | 9884 (49.6) |
| Age in years, mean±SD | 79.0±11.9 |
| Route of admission, n (%) | |
| Emergency with ambulance use | 6393 (32.1) |
| Emergency without ambulance use | 9903 (49.7) |
| Scheduled | 3630 (18.2) |
| New York Heart Association functional class, n (%) | |
| Class II | 5796 (29.1) |
| Class III | 7318 (36.7) |
| Class IV | 6812 (34.2) |
| Comorbidities, n (%) | |
| Hypertension | 10 588 (53.1) |
| Ischaemic heart disease | 6120 (30.7) |
| Atrial fibrillation/flutter | 5369 (26.9) |
| Fatal arrhythmia | 385 (1.9) |
| Shock | 321 (1.6) |
| Postadmission treatments indicating disease severity, n (%) | |
| Disease severity classes* | |
| No target treatments provided | 16 079 (80.7) |
| Catecholamine use only | 3090 (15.5) |
| Intubation with no catecholamine use | 179 (0.9) |
| Intubation with catecholamine use | 364 (1.8) |
| Intra-aortic balloon pumping† | 194 (1.0) |
| Percutaneous cardiopulmonary support‡ | 20 (0.1) |
| Dialysis-related procedures | 790 (4.0) |
| Blood transfusion | 1340 (6.7) |
| Other postadmission high-cost examinations and treatments, n (%) | |
| Percutaneous coronary intervention | 840 (4.2) |
| Scintigraphy | 226 (1.1) |
| Single-photon emission CT | 1840 (9.2) |
| Patient outcomes | |
| In-hospital mortality, n (%) | 1725 (8.7) |
| Length of stay, days (mean; SD; median) | 19.9; 12.1; 17.0 |
| Hospitalisation costs (US$) (mean; SD; median) | 8284; 7448; 6473 |
*These six disease-severity classes are based on hierarchical and mutually exclusive combinations.
†Regardless of intubation or catecholamine use.
‡Regardless of intra-aortic balloon pumping, intubation or catecholamine use.