The Relationship Between Body Fat Distribution and Nonalcoho
Obesity, which is associated with nonalcoholic fatty liver (NAFL), has increased among people with type 1 diabetes. Therefore, researchers explored the associations between body fat distribution and NAFL in this population.

This study included 121 adults with type 1 diabetes from the Finnish Diabetic Nephropathy (FinnDiane) Study for whom NAFL was determined by magnetic resonance imaging. Body composition was assessed by DXA. Genetic data concerning PNPLA3 rs738409 and TM6SF2 rs58542926 were available as a directly genotyped polymorphism.

Associations between body fat distribution, waist-to-height ratio (WHtR), BMI, and NAFL were explored using logistic regression. A receiver operating characteristic (ROC) curve was used to determine the WHtR and BMI thresholds with the highest sensitivity and specificity to detect NAFL.

Results:
-- Median age was 38.5 (33–43.7) years, duration of diabetes was 21.2 (17.9–28.4) years, 52.1% were women, and the prevalence of NAFL was 11.6%.

-- After adjusting for sex, age, duration of diabetes, and PNPLA3 rs738409, the volume (P = 0.03) and percentage of visceral adipose tissue were associated with NAFL, whereas gynoid, appendicular, and total adipose tissues were not.

-- The area under the curve between WHtR and NAFL was larger than BMI and NAFL.

-- The WHtR cutoff of 0.5 showed the highest sensitivity (86%) and specificity (55%), whereas the BMI of 26.6 kg/m2 showed 79% sensitivity and 57% specificity.

Conclusively, visceral adipose tissue is associated with NAFL in adults with type 1 diabetes, and WHtR may be considered when screening for NAFL in this population.

Source: https://care.diabetesjournals.org/content/early/2021/05/21/dc20-3175?rss=1
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