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. 2022 Apr 6;128:108693. doi: 10.1016/j.patcog.2022.108693

Table 4.

Descriptions about the features of Covid-19.

(a)
Feature Description Selected Feature

Age Age of the patient. Yes
Gender Male / Female. No
Glucose Glucose represents the main type of sugar found in the blood. Yes
Blood type Determine the type of the blood. Yes
Blood Pressure It is the pressure of the blood on the walls of the arteries. Yes
Body Mass Index (BMI) BMI is a measure that indicates to total body fat. It is used to measure whether a person is at a healthy weight. Yes
Diabetes Pedigree Function A function that scores the likelihood of diabetes based on family history. No
Total_Bilirubin It is a measure of liver function in which it measures the amount of a substance called bilirubin in the blood. Yes
Direct_Bilirubin It is a measure of the amount of conjugated bilirubin in which it looks for bilirubin in the urine or blood. Yes
Alkaline_ Phosphotase It is a measure of the amount of alkaline phosphotase in your blood in which Alkaline_ Phosphotase is an enzyme found throughout the body. Actually, it is mostly found in the liver, digestive system, kidneys, and bones. Yes
Alamine_ Aminotransferase (ALT) ALT is an enzyme that is normally found in the cells of the liver and kidney. When ALT levels in blood are high that means a liver is damaged. Yes
Aspartate_ Aminotransferase (AST) AST is an enzyme that is normally found in liver and heart. When AST levels in blood are high that indicates liver diseases and heart problems or pancreatitis. Yes
Total_ Protiens It is a measure of the amount of protein in your blood. When total protein level is high that indicates dehydration or a certain type of cancer. No
Albumin It is protein that is made by liver in which it is a test that measures of the amount of albumin in the blood. Yes
Globulin_Ratio It is a ratio of albumin to globulin in blood plasma. Yes
Red blood count It is a blood test that is used to measure how many red blood cells that contain haemoglobin, which carries oxygen throughout the body. Yes
Pus Cell It is a white blood cell (as a neutrophil) that is found in pus. No
Bacteria Bacteria are used to help diagnose certain types of infections in which their organisms not visible with the naked eye. Yes
Blood urea test It measures the amount of nitrogen in the blood. When your blood urea level rises, this means that your kidneys cannot remove urea from the blood normally. Yes

(b)
Feature Description Selected Feature

Serum creatinine It indicates kidney health in which it is an easily measured by product of muscle metabolism. Yes
Sodium A sodium is a part of an electrolyte panel that is used as a blood test to measure the amount of sodium in the blood. Yes
Potassium potassium is a part of an electrolyte that is used as a blood test to measure the amount of potassium in the blood. Yes
Haemoglobin It is a blood test that is used to measure the amount of haemoglobin in the blood in which it carries oxygen to organs and tissues in the body and also transfer carbon dioxide from organs and tissues to lungs. Yes
Packed cell volume It's a test used to determine whether a patient has polycythaemia, dehydration, or anaemia. It's usually part of a whole blood count test. No
White blood
cell count
The immune system is made up of white blood cells. They aid in the battle against infections and other disorders. Yes
Hypertension It is a disorder in which the blood arteries have a consistently elevated pressure. Hypertension is a significant medical condition that can put your heart, brain, kidneys, and other organs at risk. Yes
Pedal edema The medical term for swelling is edoema. Injuries and inflammation cause body parts to swell. edoema might affect a small portion of the body or the full body. No
Resting electrocardiographic results It's a medical test that measures the electrical activity generated by the heart while it contracts to diagnose heart abnormalities. Yes
Anemia Anemia is a condition in which the number of red blood cells or haemoglobin is lower than normal. Yes
Diabetes mellitus Diabetes mellitus is a disorder in which the body's ability to form of sugar is impaired. Yes
Coronary artery disease The coronary arteries supply your heart with blood, oxygen, and nourishment. Coronary artery disease develops when your heart's primary blood arteries become damaged or diseased. Yes
Appetite The appetite test is used to determine the appetite of a person. No
Maximum
heart rate achieved
The number of contractions (beats) of the heart per minute is used to determine the heart rate (bpm). Yes
Exercise induced angina Angina is chest pain that occurs as a result of exercise, stress, or other factors that cause the heart to pump harder. It's a symptom of coronary artery disease that's very frequent. Yes
Atherosclerosis Arteriosclerosis is a condition in which the arteries that carry oxygen and nutrients from your heart to the rest of your body thicken and stiffen, reducing blood flow to your organs and tissues. Yes
D-Dimer A D-dimer test examines the presence of D-dimer in the blood. When a blood clot dissolves in your body, a protein fragment called a D-dimer is formed. Yes
C-Reactive Protein (CRP) CRP is a protein made by the liver, and the CRP test is used to discover or monitor inflammatory diseases. Yes
Lactate Dehydrogenase (LDH) The LDH test is performed to detect any tissue damage. Yes
Troponin Troponins are a family of proteins that govern muscular contraction in skeletal and cardiac muscle fibres. Troponin tests detect heart damage by measuring the quantity of cardiac-specific troponin in the blood. Yes
(c)
Feature Description Selected Feature

Platelets Count (PC) The platelet count (PC) is a blood test which measures the average amount of platelets in a person's blood. Platelets aid in the healing of wounds and the prevention of excessive bleeding in the bloodstream. Yes
Neutrophils Count (NC) Neutrophils are a type of WBC that form (50-75%) of the total. NC gives critical information regarding the patient's health status. Yes
Lymphocytes Count (LC) The lymphocyte count, which is a component of WBC, is determined by LC test. Yes
Monocytes count The quantity of monocytes circulating in the blood is measured by the monocytes count test. No
Eosinophil Eosinophil is a type of white blood cell that helps the immune system combat disease by preventing infections and increasing inflammation. No
Basophils Basophils are bone marrow-derived white blood cells that aid in the proper functioning of the immune system. No
Gamma-Glutamyl Transpeptidas
(GGT)
GGT is an ubiquitous enzyme found throughout the body. GGT levels in the blood can indicate bile duct damage or liver disease; a GGT test can determine the quantity of GGT in the blood. No
Chest pain type The discomfort in the chest or presence of abnormal pain , between the diaphragm and the base of the neck, is defined as chest pain. Yes
Fasting blood sugar After an overnight fast, this test measures how much sugar is in a blood sample. No
Ferritin Ferritin is the most important protein for iron storage, and it can become raised in the context of circumstances that cause severe inflammation. No
Creatine phosphokinase (CPK) CPK is a protein located in your heart, brain, and skeletal muscles that helps to induce chemical changes in your body. Yes