Table 1

Baseline characteristics

AMI=15 777ADHF = 12 265Pneumonia=12 929
Men 65%Women 35%P valueMen 57 %Women 43%P valueMen 55%Women 45%P value
Age (SD)66.5 (13.3)73 (13.3)<0.00172.3 (13)75.4 (13.9)<0.00169.2 (16.8)70.8 (17.7)<0.001
Race %
 Non-white12.74%14.12%0.01514.25 %14.25%0.99715.65%14.70%0.14
 White87.26%85.88%85.75 %85.75%84.35%85.30%
Comorbidity
 Arthritis3.37%5.57%0.064.35%6.95%<0.0014.28%7.26%<0.001
 Asthma2.42%3.89%<0.0012.81%5.25%<0.0015.09%10.31%<0.001
 Dementia1.73%3.29%<0.0012.65%4.17%<0.0016.9%8.52%0.001
 Depression4.4%6.8%<0.0016.28%9.12%<0.0018.64%12.93%<0.001
 Hypertension57.64%65.69%<0.00156.52%62.11%<0.00143.91%48.80%<0.001
 Osteoporosis0.4%4.73%<0.0010.97%7.16%<0.0012.09%9.00%<0.001
 Cancer8.14%6.95%0.0113.42%11.91%0.0125.93%17.81%<0.001
 Drug abuse4.15%1.47%<0.0013.65%0.97%<0.0014.54%2.36%<0.001
 Dyslipidaemia44.46%40.40%<0.0011.06%27.73%<0.00120.54%17.71%<0.001
CAD56.98%41.27%<0.00127.29%17.78%<0.001
 CHF21.15%29.03%<0.00120.44%21.36%0.20
 CKD9.49%9.24%0.6027.93%21.62%<0.00115.28%10.71%<0.001
 COPD11.02%10.84%0.7323.50%16.67%<0.00128.19%22.8%<0.001
 Diabetes26.18%29.62%<0.00133.75%32.31%0.0922.78%19.31%<0.001
 Arrhythmia25.62%27.03%0.0660.93%54.23%<0.00128.36%24.80%<0.001
 Stroke3.35%4.49%<0.0012.84%2.42%0.152.52%1.67%0.001
Length of stay
 Mean (SD)5.42 (5.83)5.67 (5.76)0.016.02 (10.22)5.71 (8.33)0.075.36 (6.01)5.13 (6.41)0.04
  • ADHF, acute decompensated heart failure; AMI, acute myocardial infarction; CAD, coronary artery disease; CHF, congestive heart failure; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease.