Table 1.
Length of Hospital Stay, days | ||||||
---|---|---|---|---|---|---|
Characteristic | <3 (n=428) | 3–4.9 (n=1429) | 5–6.9 (n=1131) | 7–9.9 (n=713) | ≥10 (n=483) | P-value |
Age, years, % | ||||||
<65 | 43.9 | 37.9 | 27.6 | 20.1 | 21.3 | |
65–74 | 18.7 | 20.2 | 22.6 | 24.3 | 26.7 | |
75–84 | 20.3 | 24.3 | 28.7 | 35.3 | 36.2 | |
≥85 | 17.1 | 17.6 | 21.0 | 20.3 | 15.7 | <0.001 |
Men(%) | 61.7 | 59.7 | 53.9 | 46.8 | 47.0 | <0.001 |
Payer(%) | ||||||
Private payment | 1.9 | 1.8 | 2.0 | 1.3 | 2.3 | |
Private insurance | 2.6 | 3.6 | 2.6 | 2.8 | 2.5 | |
Blue Cross | 9.6 | 6.4 | 4.7 | 3.7 | 5.2 | |
Medicaide | 4.0 | 3.1 | 2.6 | 2.5 | 4.0 | |
Medicare | 36.8 | 39.6 | 51.4 | 57.6 | 60.0 | |
HMO | 38.9 | 38.8 | 31.1 | 28.4 | 22.8 | |
Other | 6.3 | 6.7 | 5.6 | 3.7 | 3.1 | <0.001 |
Medical history(%) | ||||||
Hypertension | 68.2 | 65.4 | 66.8 | 69.4 | 72.6 | 0.04 |
Diabetes | 36.6 | 29.9 | 30.4 | 35.9 | 40.3 | <0.001 |
Stroke | 7.7 | 8.6 | 8.6 | 11.4 | 12.7 | 0.01 |
Heart failure | 23.6 | 20.0 | 24.0 | 31.4 | 31.3 | <0.001 |
Angina | 21.7 | 20.0 | 23.3 | 26.5 | 21.3 | 0.01 |
AMI associated characteristics(%) | ||||||
Initial | 61.7 | 66.4 | 62.6 | 59.9 | 64.0 | 0.04 |
Q Wave | 14.2 | 24.6 | 26.2 | 23.3 | 27.1 | <0.001 |
Anterior | 12.9 | 15.0 | 18.9 | 22.4 | 19.1 | <0.001 |
STEMI | 30.8 | 33.4 | 29.4 | 26.1 | 27.5 | 0.005 |
Do not resuscitate order (%) | 17.3 | 18.9 | 19.9 | 24.1 | 26.7 | <0.001 |
Complications during hospitalization (%) | ||||||
Cardiogenic shock | 0.7 | 0.7 | 1.1 | 2.5 | 11.2 | <0.001 |
Heart failure | 22.2 | 25.8 | 36.3 | 48.4 | 65.0 | <0.001 |
Recurrent angina | 12.2 | 17.2 | 24.3 | 23.7 | 32.8 | <0.001 |
Stroke | 0.2 | 0.7 | 0.8 | 2.7 | 4.2 | <0.001 |
Atrial fibrillation | 11.5 | 11.9 | 14.0 | 19.4 | 28.6 | <0.001 |
Therapies(%) | ||||||
Aspirin | 94.6 | 93.9 | 93.8 | 92.8 | 92.1 | 0.48 |
ACE inhibitors | 58.9 | 58.8 | 52.7 | 56.7 | 66.1 | <0.001 |
B-blockers | 90.6 | 89.0 | 86.9 | 86.4 | 82.0 | <0.001 |
Calcium antagonists | 26.4 | 22.1 | 29.4 | 30.1 | 36.9 | <0.001 |
Lipid lowering agents | 62.2 | 56.4 | 42.3 | 39.0 | 38.1 | <0.001 |
Thrombolitics | 2.3 | 10.0 | 14.2 | 12.9 | 9.5 | <0.001 |
Procedures during hospitalization(%) | ||||||
Cardiac catheterization | 55.6 | 47.6 | 40.4 | 44.9 | 50.2 | <0.001 |
PTCA | 43.7 | 35.9 | 25.2 | 27.7 | 30.3 | <0.001 |