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ORIGINAL ARTICLE Table of Contents   
Year : 2021  |  Volume : 46  |  Issue : 1  |  Page : 30-34
Validation of Indian Diabetes Risk Score for screening prediabetes in west Tripura district of India

Department of Community Medicine, Agartala Government Medical College, Agartala, Tripura, India

Correspondence Address:
Dr. Himadri Bhattacharjya
Department of Community Medicine, Agartala Government Medical College, P.O. Kunjaban, Agartala - 799 006, Tripura
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijcm.IJCM_136_20

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Background: Viswanathan Mohan and his team have developed “Indian Diabetes Risk Score” (IDRS) for identifying the Indians at risk for developing diabetes and prediabetes. Due to heterogeneity of Indian population, this risk score needs further validation in different parts across the country. Objectives: The objective is to estimate the sensitivity, specificity, positive, and negative predictive values of IDRS for screening prediabetes in West Tripura District. Methodology: It was a community-based cross-sectional study conducted in West Tripura district during January 1, 2018–December 31, 2019 among 325 self-declared nondiabetic individuals, selected by multistage sampling. Fasting blood sugar value was used as the gold standard to validate IDRS. Data were collected using a validated and pretested interview schedule. Data entry and analysis were performed in computer using SPSS-24. Receiver operating characteristic (ROC) curve was constructed to validate IDRS. Results: Among the study individuals, 19% and 6.5% were identified as prediabetic and diabetics, respectively. Optimum sensitivity of 83.13% and specificity of 82.64%, with positive and negative predictive values 62.16% and 93.45%, respectively, were observed at an IDRS score of ≥60 for identifying prediabetes and diabetes in this study population. IDRS showed good accuracy with an area under ROC curve of 0.832 (95% confidence interval: 0.77–0.88). Conclusion: IDRS is found to be a valid tool for screening prediabetes at community level in West Tripura district of India.

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