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Relationship between Body Mass Index and Serum Alanine Transaminase Concentration in Obese Female.

The serum Alanine Transaminase (ALT) activity has been regarded as a reliable and sensitive marker of liver disease. In the context of obesity ALT may also be a good indicator of overall health. Obesity has been reported as a risk factor associated with elevation of ALT, which is a surrogate marker of Non-alcoholic fatty liver disease (NAFLD). Elevated ALT may correlate with the severity of NAFLD in obese female. This study was done to evaluate the changes of serum ALT in obese female age ranged 30-60 years in comparison to normal healthy female of same age. At the same time we can know the relationship between body mass index and serum ALT concentration in obese female. This analytical cross-sectional study was carried out in the Department of Physiology, Mymensingh Medical College, Mymensingh, Bangladesh from January 2020 to December 2020. A total number of 100 female subjects were included in this study. Among them fifty (50) normal healthy female were taken as control group (Group I) and fifty (50) obese female were taken as study group (Group II). The level of serum ALT was determined by Ultra violet (UV) method. Data were expressed as mean±SD and statistical significance of difference among the group was calculated by unpaired Student's 't' test. Pearson's correlation coefficient test was done to find the correlation of serum ALT with BMI by using SPSS (version 21.0). During interpretation of results, p values of <0.001 were considered as statistically highly significant. In this study, serum level of ALT was significantly higher (p<0.001) in obese female compared to those of healthy control female. In addition, there is a positive correlation of serum ALT with BMI. From the results of the present study, it can be concluded that, elevated ALT was significantly associated with high BMI as well as with other feature of NAFLD.