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Table 1 Examples of knowledge types represented in DDO ontology

From: DDO: a diabetes mellitus diagnosis ontology

Knowledge type

Definition

Examples

Laboratory test

A set of tests to measure the level of blood glucose, and others

Blood glucose tests: HbA1C, 2 h OGTT, FPG, RPG

Hematological profile: prothrombin INR, red cell count, Hbg, hematocrit (PCV), MCV, MCH, MCHC, platelet count, white cell count, basophils, lymphocytes, monocytes, eosinophils

Kidney function laboratory tests: serum potassium, serum urea, serum uric acid, serum creatinine, serum sodium

Lipid profile: LDL cholesterol, total cholesterol, triglycerides, HDL cholesterol

Tumor markers: FERRITIN, AFP serum, CA-125

urine analysis: chemical examination (protein, blood, bilirubin, glucose, ketones, urobilinogen)

Microscopic examination (pus, red blood cells (RBcs), crystals)

Liver function tests: serum albumin, total bilirubin, direct bilirubin, SGOT (AST), SGPT (ALT), alk phosphatase, γ GT, total protein

Females history: amenorrhea, birth, dysmenorrhea

Disease

Diseases that are often present with diabetes (diabetes complications)

Acute: cardiomyopathy, bacterial infection, ketoacidosis, obesity, ovarian disease, neoplastic disease, etc

Chronic: nonvascular such as dental disease, kidney disease, skin disease, sexual disease, and gastropathy; vascular such as macrovascular and microvascular

Symptom

The set of common diabetes symptoms

Weight loss, polyuria (increased urination), polydipsia (increased thirst), and polyphagia (increased hunger), weight gain, blurred vision, etc

Drug

The drugs that increase blood glucose, and can induce diabetes either by interfering with insulin production and secretion, reducing the effectiveness of insulin in regulating metabolism, or others

Cardiovascular drugs, CNS drugs, an enzyme inhibitor, a hematologic drug, an immunotherapeutic agent, retinoid, antiallergenic drugs, and others