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