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ORIGINAL ARTICLE
Year : 2017  |  Volume : 8  |  Issue : 3  |  Page : 68-73

Glucose intolerance and insulin resistance in non-alcoholic fatty liver disease: A Hospital-based Cross-sectional Study from Southern Karnataka, India


1 Department of Medicine, Kasturba Medical College, Manipal University, Manipal, Karnataka, India
2 Department of Statistics, Manipal University, Manipal, Karnataka, India

Correspondence Address:
Sudha Vidyasagar
Department of Medicine, Kasturba Medical College, Manipal University, Udupi, Manipal - 576 104, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jod.jod_12_17

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Context: Non-alcoholic fatty liver disease (NAFLD) is associated with hepatic insulin resistance (IR) and glucose intolerance. Indian data in this area are sparse, and hence, we undertook this study to find the relationship between NAFLD and diabetes. Objective: The objective of this study is to find the relationship between NAFLD and various levels of glucose intolerance and IR. Settings and Design: A cross-sectional study on 150 patients aged 18 or above and diagnosed to have NAFLD by ultrasonography from October 2013 to June 2015 who were admitted or outpatients in the Department of General Medicine, Kasturba Medical College, Manipal. Methodology: NAFLD was graded as mild, moderate or severe by a single radiologist using high-resolution B-mode ultrasonography system. Basic anthropometric, clinical examination and relevant biochemical investigations were done for all patients. Glycated haemoglobin (HbA1c), fasting plasma glucose (FPG) and post-load plasma glucose (PG) were measured in all subjects, fasting insulin levels were measured in all subjects by chemiluminescence method to determine IR and it was calculated using homeostasis model assessment model. Statistical Analysis Used: Data were analysed using SPSS software version 15 and P < 0.05 considered as statistically significant. Results: The percentage of pre-diabetes and diabetes in NAFLD patients were 52.7% and 30.7% respectively, There was a greater proportion of pre-diabetics and diabetics in the higher grades of NAFLD (P < 0.001). We observed mean FPG, PG and HbA1c levels increased as the severity of NAFLD increased in this study. The overall mean HOMA-IR score in our subjects was found to be 4.68 ± 2.81 and 76.7% of patients had IR was significantly (P < 0.001) higher in Grade 2 and Grade 3 NAFLD. Conclusions: There is a high prevalence of pre-diabetes and diabetes in patients with NAFLD, and this is associated with increasing IR in higher grades of NAFLD.


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