Demographic |
|
|
|
Age, mean (SD), y |
80.1 (7.7) |
79.7 (7.5) |
<0.001 |
Female, % |
57.3 |
45.2 |
<0.001 |
Physical and laboratory findings |
|
|
|
Systolic blood pressure, mean (SD), mmHg |
149.2 (30.9) |
148.6 (33.2) |
0.11 |
Urea nitrogen, mean (SD), mg/dL |
27.5 (16.9) |
29.8 (18.8) |
<0.001 |
Renal insufficiency (creatinine >2.5 mg/dL or urea nitrogen >40 mg/dL), % |
15.8 |
19.2 |
<0.001 |
Serum sodium, mean (SD), mol/L |
138.6 (5.0) |
138.3 (4.9) |
<0.001 |
Hematocrit, mean (SD), % |
37.7 (6.0) |
36.9 (6.1) |
0.02 |
Medical history, % |
|
|
|
Hypertensin |
62.3 |
48.3 |
<0.001 |
Diabetes |
34.1 |
32.0 |
<0.001 |
Previous myocardial infarction |
25.6 |
36.0 |
<0.001 |
Cerebrovascular disease |
17.4 |
17.6 |
0.74 |
Dementia |
9.9 |
9.2 |
0.06 |
Mortality risk score, mean |
|
|
|
30-day |
84.0 |
93.1 |
<0.001 |
1-year |
100.9 |
104.0 |
<0.001 |
In-hospital care and procedures |
|
|
|
Length of stay, mean (SD), d |
6.1 (4.4) |
8.5 (12.3) |
<0.001 |
Cardiologist as attending physician, % |
18.8 |
19.4 |
0.22 |
LVEF assessment, % |
61.2 |
41.7 |
<0.001 |
Cardiac catheterization, % |
5.6 |
0.59 |
<0.001 |
Percutaneous coronary intervention, % |
0.57 |
0.05 |
<0.001 |
Coronary artery bypass grafting, % |
0.41 |
0.04 |
<0.001 |
Discharge medications, % |
|
|
|
Aspirin |
39.7 |
40.0 |
0.70 |
Beta-blockers |
28.7 |
25.4 |
<0.001 |
ACE inhibitors or ARBs |
62.2 |
68.9 |
<0.001 |
Lipid-lowering medications |
16.7 |
15.0 |
<0.001 |