| Non-Transferred N = 132,765 | Transferred N = 51,530 |  | Urban N = 148,471 | Rural N = 35,824 |  |
---|---|---|---|---|---|---|
Continuous Variables | Â | Â | Â | Â | Â | Â |
 | Mean | Mean | p-value | Mean | Mean | p-value |
Age | 77.2 | 73.5 | < 0.001 | 76.0 | 76.7 | < 0.001 |
Charlson Score | 0.72 | 0.55 | < 0.001 | 0.67 | 0.68 | 0.06 |
Krumholz Predicted Mortality | 0.19 | 0.15 | < 0.001 | 0.18 | 0.18 | 0.07 |
APACHE Score | 9.9 | 8.2 | < 0.001 | 9.4 | 9.6 | < 0.001 |
SBP on Admittance | 144 | 141 | < 0.001 | 142 | 146 | < 0.001 |
Creatinine on Admission | 1.4 | 1.3 | < 0.001 | 1.4 | 1.4 | 0.12 |
WBC on Admission | 11.0 | 10.6 | < 0.001 | 10.9 | 10.8 | < 0.001 |
Categorical Variables | Â | Â | Â | Â | Â | Â |
 | % | % | p-value | % | % | p-value |
Female | 50 | 44 | < 0.001 | 48 | 49 | <0.001 |
African American | 6 | 4 | < 0.001 | 6 | 5 | < 0.001 |
Terminal Illness | 0.4 | 0.2 | < 0.001 | 0.4 | 0.4 | 0.76 |
Diabetes | 31 | 29 | < 0.001 | 31 | 31 | 0.77 |
Chronic Renal Insufficiency | 5 | 3 | < 0.001 | 5 | 4 | < 0.001 |
Hypertension | 62 | 61 | < 0.001 | 63 | 59 | < 0.001 |
Malignancy | 3 | 2 | < 0.001 | 3 | 3 | 0.63 |
History of Heart Failure | 24 | 13 | < 0.001 | 21 | 22 | < 0.001 |
History of CAD | 40 | 36 | < 0.001 | 39 | 37 | < 0.001 |
History of Acute MI | 32 | 28 | < 0.001 | 31 | 31 | 0.08 |
History of PCTA | 7 | 9 | < 0.001 | 8 | 5 | < 0.001 |
History of Bypass Surgery | 13 | 12 | < 0.001 | 13 | 11 | < 0.001 |
Shock on Admittance | 5 | 4 | < 0.001 | 5 | 3 | < 0.001 |
Cardiac Arrest | 15 | 12 | < 0.001 | 14 | 16 | < 0.001 |
Heart Failure on Admission | 51 | 37 | < 0.001 | 48 | 46 | < 0.001 |
Angina on Admission | 2 | 3 | < 0.001 | 2 | 3 | < 0.001 |
Abnormal Rhythm on Admission | 49 | 42 | < 0.001 | 47 | 44 | < 0.001 |
Anterior or Lateral MI | 47 | 46 | 0.40 | 47 | 46 | < 0.001 |