Table 1.
Clinical most relevant ischemic heart disease risk attributes
| Index | Attribute | Definition | Data type |
|---|---|---|---|
| 1 | Age | Age in years | Numerical |
| 2 | Sex | Sex | Categorical 1: male, 0: female |
| 3 | cp | Chest pain type | Categorical 1: typical angina, 2: atypical angina, 3: non-anginal pain,4: asymptomatic |
| 4 | trestbps | Resting blood pressure | Numerical (mm Hg on admission to the hospital) |
| 5 | chol | Cholesterol | Numerical (mg/dL) |
| 6 | restecg | Resting electrocardiographic results | Categorical 0: normal, 1: having ST-T wave abnormality,2: showing probable or definite left ventricular hypertrophy by Estes’ criteria |
| 7 | thalach | Maximum exercise heart rate achieved | Numerical (71–202) |
| 8 | exang | Exercise-induced angina | Categorical 1: yes; 0: no |
| 9 | oldpeak | ST depression induced by exercise relative to rest | Numerical |
| 10 | slope | Slope of the peak exercise ST | Categorical 0: upsloping, 1: flat, 2: downsloping |
| 11 | ca | Number of major vessels colored by fluoroscopy | Categorical 0, 1, 2, 3 |
| 12 | thal | Thallium-201 stress scintigraphy | Categorical 1: normal; 2: fixed defect; 3: reversible defect |
| 13 | fbs | Fasting blood sugar | Categorical (>120 mg/dL) 1: true; 0: false |
| 14 | target | Diagnosis of heart disease (angiographic disease status) | Categorical 0 = normal; 1 = IHD (>50% diameter narrowing) |
IHD = ischemic heart disease.