Estimation of Chronic Illness Severity Based on Machine Learning Methods

Table 1

Symptoms and warning signs of four chronic diseases.

Chronic disease	Symptoms and warning signs
Heart disease	(i) Chest pain or discomfort; (ii) Upper back or neck pain; (iii) Indigestion; (iv) Heartburn; (v) Nausea or vomiting; (vi) Upper body discomfort, dizziness
	(vii) Fluttering feelings in the chest
	(viii) Shortness of breath; (ix) Fatigue; (x) Swelling of the feet, ankles, legs, abdomen, or neck veins
Cancer	(i) Breast changes—lump in your breast; (ii) Coughing, chest pain, and breathlessness; (iii) Changes in bowel habits; (iv) Unexplained bleeding; (v) Moles; (vi) Unexplained weight loss
COPD	(i) An ongoing cough or a cough that produces a lot of mucus (often called smoker’s cough); (ii) Shortness of breath, especially with physical activity; (iii) Wheezing or a whistling or squeaky sound when you breathe; (iv) Chest tightness
Diabetes	(i) Urinating a lot, often at night, and are very thirsty; (ii) Losing weight without trying and are very hungry; (iii) Having blurry vision; (iv) Having numb or tingling hands or feet; (v) Feeling very tired and having very dry skin; (vi) Having sores that heal slowly; (vii) Having more infections than usual