APPLICATION OF THE GENERALIZED ADDITIVE MODEL IN DETERMINATION OF THE RETINOPATHY RISK FACTORS RELATION TYPES FOR TEHRAN DIABETIC PATIENTS

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SALEHI MASOOD; VAZIRINASAB HABIBEH; KHOSHGAM MASOOMEH; RAFATI NASRIN

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Journal: Razi Journal of Medical Sciences Year:2012 | Volume:19 | Issue:97 Page(s): 1-9

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Title

APPLICATION OF THE GENERALIZED ADDITIVE MODEL IN DETERMINATION OF THE RETINOPATHY RISK FACTORS RELATION TYPES FOR TEHRAN DIABETIC PATIENTS

Author(s)

SALEHI MASOOD | VAZIRINASAB HABIBEH | KHOSHGAM MASOOMEH | RAFATI NASRIN | Issue Writer Certificate

Keywords

GENERALIZED ADDITIVE MODELSQ2

BINARY LOGISTIC REGRESSIONQ2

DIABETIC RETINOPATHYQ3

Abstract

Background: One of the most important complications of diabetes, is DIABETIC RETINOPATHY that causes the blindness of 10,000 people every year. Different researches have been done on retinopathy risk factors in diabetic patients. This study was carried out to check the type of relationship between retinopathy risk factors and the condition of temptation it with GENERALIZED ADDITIVE MODELS. The study attempts to increase the quality of predicting the response variable and to reveal the non-linear and non-monotonic relationships between the response and the set of explanatory variables with GENERALIZED ADDITIVE MODELS.Methods: This cross-sectional study has been done on 367 diabetic patients who take part in assessment recall of retinopathy in Tehran. Entrants have been checked to determine their particulars, medical conditions and medicines. Finally has been used a data complex for fitting GENERALIZED ADDITIVE MODELS and BINARY LOGISTIC REGRESSION, including six continues explanatory variables: age, duration of diabetes, Body Mass index (BMI), hemoglobin A1C, cholesterol, systolic blood pressure and response variable, to the presence of retinopathy Fitting model has been done with mgcvR software.Results: In this study 120 cases (33%) were retinopathy patient and 247 cases (67%) were not. Results of the generalized additive model were denoting that following factors have affected on retinopathy: duration of diabetes, hemoglobin and systolic blood pressure. Moreover, it has been mentioned that duration of diabetes with linear function, hemoglobin with function of degree four and systolic blood pressure with quadratic function was related to retinopathy.Conclusion: In addition to determination of retinopathy risk factors, it has been shown that generalized additive model can identify nonlinear relationship between variables. Therefore this model increases the quality of predicting response variable, with more information of the data relationships.

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APA: Copy

SALEHI, MASOOD, VAZIRINASAB, HABIBEH, KHOSHGAM, MASOOMEH, & RAFATI, NASRIN. (2012). APPLICATION OF THE GENERALIZED ADDITIVE MODEL IN DETERMINATION OF THE RETINOPATHY RISK FACTORS RELATION TYPES FOR TEHRAN DIABETIC PATIENTS. RAZI JOURNAL OF MEDICAL SCIENCES (JOURNAL OF IRAN UNIVERSITY OF MEDICAL SCIENCES), 19(97), 1-9. SID. https://sid.ir/paper/11001/en

Vancouver: Copy

SALEHI MASOOD, VAZIRINASAB HABIBEH, KHOSHGAM MASOOMEH, RAFATI NASRIN. APPLICATION OF THE GENERALIZED ADDITIVE MODEL IN DETERMINATION OF THE RETINOPATHY RISK FACTORS RELATION TYPES FOR TEHRAN DIABETIC PATIENTS. RAZI JOURNAL OF MEDICAL SCIENCES (JOURNAL OF IRAN UNIVERSITY OF MEDICAL SCIENCES)[Internet]. 2012;19(97):1-9. Available from: https://sid.ir/paper/11001/en

IEEE: Copy

MASOOD SALEHI, HABIBEH VAZIRINASAB, MASOOMEH KHOSHGAM, and NASRIN RAFATI, “APPLICATION OF THE GENERALIZED ADDITIVE MODEL IN DETERMINATION OF THE RETINOPATHY RISK FACTORS RELATION TYPES FOR TEHRAN DIABETIC PATIENTS,” RAZI JOURNAL OF MEDICAL SCIENCES (JOURNAL OF IRAN UNIVERSITY OF MEDICAL SCIENCES), vol. 19, no. 97, pp. 1–9, 2012, [Online]. Available: https://sid.ir/paper/11001/en

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