Table 2.
1995/1997 (n=1,323) | 1999/2001 (n=1,409) | 2003/2005 (n=1,448) | ||||
---|---|---|---|---|---|---|
Length of stay | Length of stay | Length of stay | ||||
Characteristic | <Median | ≥Median | <Median | ≥Median | <Median | ≥Median |
Age (yrs) | ||||||
<65 | 37.2 | 27.1 | 38.6 | 22.4 | 44.4 | 21.7 |
65–74 | 27.1 | 26.9 | 19.1 | 23.0 | 17.4 | 19.5 |
75–84 | 25.0 | 31.0 | 23.3 | 34.1 | 19.8 | 33.1 |
≥85 | 10.7 | 15.1 | 19.1 | 20.6 | 18.4 | 25.7 |
Men (%) | 62.3 | 51.2 | 58.6 | 51.2 | 62.3 | 47.2 |
Medical History (%) | ||||||
Angina pectoris | 24.6 | 26.9 | 19.7 | 24.0 | 19.8 | 19.1 |
Stroke | 10.5 | 10.5 | 10.2 | 14.1 | 9.0 | 14.0 |
Hypertension | 55.3 | 65.8 | 65.2 | 69.1 | 69.4 | 79.4 |
Diabetes mellitus | 29.6 | 32.1 | 29.2 | 32.0 | 27.5 | 40.3 |
Heart Failure | 15.9 | 20.9 | 20.8 | 32.2 | 21.6 | 32.5 |
AMI associated characteristics (%) | ||||||
Initial | 66.3 | 63.2 | 65.3 | 60.6 | 64.7 | 62.2 |
Q-wave | 29.4 | 32.4 | 24.1 | 22.1 | 18.1 | 19.0 |
Anterior | 24.7 | 27.5 | 15.8 | 14.4 | 11.0 | 12.9 |
STEMI | 24.5 | 19.4 | 40.3 | 37.2 | 30.6 | 28.8 |
Clinical complications (%) | ||||||
Heart failure | 22.0 | 42.5 | 26.9 | 46.2 | 23.5 | 49.8 |
Cardiogenic shock | 0.3 | 3.6 | 0.3 | 3.9 | 1.2 | 3.5 |
Recurrent angina | 17.1 | 34.6 | 16.3 | 28.7 | 14.2 | 23.8 |
Atrial fibrillation | 6.4 | 12.8 | 10.0 | 20.2 | 14.2 | 25.5 |
Stroke | 0.2 | 1.8 | 0.6 | 2.3 | 0.7 | 2.2 |
Do not resuscitate order | 10.9 | 16.5 | 21.2 | 26.2 | 17.4 | 28.7 |
Therapies(%) | ||||||
Aspirin | 94.7 | 93.5 | 92.8 | 90.9 | 95.1 | 94.6 |
ACE inhibitors | 37.8 | 47.8 | 55.4 | 60.9 | 68.6 | 71.0 |
B-blockers | 81.4 | 81.5 | 87.7 | 84.4 | 95.3 | 94.2 |
Calcium antagonists | 29.6 | 31.8 | 24.1 | 30.6 | 19.1 | 28.5 |
Lipid lowering agents | 18.9 | 14.2 | 55.8 | 48.4 | 76.7 | 71.5 |
Thrombolitics | 20.4 | 21.1 | 12.5 | 10.7 | 0.5 | 1.4 |
Procedures during hospitalization(%) | ||||||
Cardiac catheterization | 26.5 | 38.2 | 43.8 | 44.4 | 68.4 | 55.5 |
PTCA | 12.5 | 16.5 | 31.6 | 27.1 | 56.7 | 45.2 |