Research Article

Significance of Visible Non-Invasive Risk Attributes for the Initial Prediction of Heart Disease Using Different Machine Learning Techniques

Table 3

Integrating different non-invasive heart disease risk factors.

TechniquesRisk attributesSensitivity (%)Specificity (%)Accuracy (%)

Decision treeSystolic BP, diastolic BP, age, heredity788077.3
Systolic BP, diastolic BP, age, BMI727070.9
Age, healthy diet, BMI686163.3
Systolic BP, diastolic BP, age, physical activity536058.6
Healthy diet, BMI, physical activity, age584150.9
Healthy diet, physical activity, age, systolic BP, diastolic BP454342.5
Physical activity, age, healthy diet, BMI, systolic BP, diastolic BP383038.2
Age, physical activity, smoking, systolic BP, diastolic BP, healthy diet, alcohol consumption, BMI302842.7
K nearest neighborAge, healthy diet, alcohol consumption, smoking424538.2
Age, BMI, healthy diet706067.9
Age, BMI, alcohol consumption, smoking, sex525048.9
BMI, systolic BP, diastolic BP, age, physical activity383542.7
BMI, systolic BP, diastolic BP, age687472.5
Age, systolic BP, BMI, diastolic BP, heredity687072.8
Random forestSystolic BP, diastolic BP, age, healthy diet, smoking514845.4
BMI, age, systolic BP, diastolic BP, heredity727878.9
Alcohol consumption, physical activity, age, systolic BP, diastolic BP, BMI, smoking, healthy diet354558.7
Age, sex, physical activity, BMI,323440.8
Age, sex, physical activity, BMI, systolic BP, diastolic BP394542.6
Support vector machineSystolic BP, diastolic BP, age726276.1
Systolic BP, diastolic BP, age, BMI, heredity707875.2
Healthy diet, age, BMI415350.9
Systolic BP, diastolic BP, age, BMI, physical activity504451.6
BMI, physical activity, alcohol consumption, age495052.4
Age, alcohol consumption, BMI, healthy diet415952.2
Naive BayesSystolic BP, diastolic BP, age747875.1
Age, alcohol consumption, healthy diet, sex, BMI404448.8
Systolic BP, diastolic BP, age, BMI, heredity687577.2
Systolic BP, diastolic BP, alcohol consumption, heredity, age, BMI, smoking, healthy diet, sex, physical activity,465150.6