Table 1 Baseline patient characteristics for Cohort-1 and Cohort-2. IQR is interquartile range; MI is myocardial infarction; LVEF is left ventricular ejection fraction; BNP is brain natriuretic peptide.
From: Machine Learning Improves Risk Stratification After Acute Coronary Syndrome
Cohort-1 | Cohort-2 | |
---|---|---|
Population Size | 4395 | 861 |
Cardiovascular Deaths | 149 (3.39%) | 14 (1.63%) |
Age in Years, Median (IQR) | 63 (55 to 71) | 63 (54 to 72) |
Female, % | 35 | 36 |
Diabetes Mellitus, % | 33 | 24 |
Hypertension, % | 73 | 69 |
Current Smoker, % | 26 | 56 |
Previous MI, % | 33 | 26 |
Previous Angiography, % | 34 | 60 |
TIMI Risk Score, % | ||
Low (1 to 2) | 27 | — |
Moderate (3 to 4) | 53 | — |
High (5 to 7) | 20 | — |
LVEF | ||
≤40%, % | 9 | — |
>40%, % | 58 | — |
BNP | ||
>80 pg/ml, % | 29 | — |
≤80 pg/ml, % | 41 | — |