Public Health and Preventive Medicine
Articles Information
Public Health and Preventive Medicine, Vol.1, No.3, Aug. 2015, Pub. Date: Jun. 2, 2015
Developing Statistical Diagnosis Model by Discovering Principal Parameters for Type 2 Diabetes Mellitus: A Case for Korea
Pages: 86-93 Views: 4749 Downloads: 1097
[01] Jae Hyun Nam, Friendoctor Clinic, Seoul, Republic of Korea.
[02] Jongseong Kim, Department of Systems Management Engineering, Suwon, Republic of Korea.
[03] Hoo-Gon Choi, Department of Systems Management Engineering, Suwon, Republic of Korea.
Objective: To determine the principal parameters for type 2 diabetes mellitus and develop a statistical diagnostic model to ensure more reliable diagnosis based on laboratory test results. Design: The use of fasting glucose levels as the only parameter is insufficient for making an accurate diagnosis of type 2 diabetes mellitus. Sample data were collected from a specialized diabetes mellitus clinic (Friendoctor Clinic®) located in Korea. Statistical analyses including the t-test were used to select the principal parameters, and a decision tree and clustering methods including expectation maximization were used to investigate the relationships among the principal parameters. Setting: This study was conducted at the Department of Industrial Engineering at Sungkyunkwan University, Suwon, Republic of Korea, and Friendoctor Clinic®, Seoul, Republic of Korea, between March 2010 and February 2011. Subjects: The total number of subjects was 953, including 692 patients and 261 non-patients (797 men, 156 women; age range, 19-81 years). Results: Among 32 laboratory test parameters, 10 statistically principal parameters were obtained. The entire subjects were divided into four groups on the basis of the obtained principal parameters: the patient group (PG), high-probability group (HG), low-probability group (LG), and normal group (NG). Although the fasting glucose level is important for the diagnosis of diabetes mellitus, six additional parameters such as age, GPT, A/G ratio, fasting glucose, MCHC and globulin were important for ensuring a more reliable diagnosis in the four groups. These results were confirmed by the classifier attribute selection method. Conclusion: A large number of laboratory test results were investigated comprehensively and intensively. Cases in patients belonging to each class (i.e., PG, HG, LG, or NG) can be diagnosed and treated differently on the basis of the principal parameters and diagnostic model used. However, more in-depth discussions about important risk factors such as high body mass index, genetic predisposition , lack of exercise, eating habits, pregnancy, weight changes, poor socioeconomic conditions, smoking habits, kinds of drugs, and sex hormone levels are required for the generalization of our results. This study’s findings will be a useful resource for diabetes research in Korea.
Type 2 Diabetes Mellitus, Laboratory Test, Principal Parameters, Diagnosis Model, Critical Parameters
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