Table 4. Top-10 ranked features generated across 4 different cancer types in random forest.
| Ranking | Breast cancer | Colorectal cancer | Lung cancer | Prostate cancer |
|---|---|---|---|---|
| 1 | Age | Age | Age | Age |
| 2 | Hypertension | Respiratory or pulmonary diseasesa | Hypertension | Hypertension |
| 3 | Religion | Hypertension | Religion | Religion |
| 4 | Marital status | Acute kidney failure | Hyperlipidemia | Heart diseasesc |
| 5 | Respiratory or pulmonary diseases | Diabetes | Heart diseases | Marital status |
| 6 | Heart diseases | Heart diseases | Acute kidney failure | UTIc |
| 7 | Race or ethnicity | Hyperlipidemia | UTI | Respiratory or pulmonary diseases |
| 8 | Depressive disorders | Race or ethnicity | Respiratory or pulmonary diseases | Anemia |
| 9 | Acute kidney failure | Religion | Marital status | Hyperthyroidism |
| 10 | Anemia | Acidosis | Anemia | Diabetes |
a
Respiratory or pulmonary diseases include pneumonia, acute respiratory failure, chronic airway obstruction, and other respiratory or pulmonary complications.
b
Heart diseases include atrial fibrillation, myocardial infarction, congestive heart failure, coronary atherosclerosis, and other cardiac complications.
c
UTI: urinary tract infection.