Prevalence of Non-alcoholic Fatty Liver Disease Detected by Computed Tomography in the General Population Compared with Ultrasonography

Yuki Ito,Kentaro Yoshioka,Kazuhiko Hayashi, Yuko Shimizu, Ryo Fujimoto,Ryosuke Yamane, Michiyo Yoshizaki,Go Kajikawa, Taro Mizutani,Hidemi Goto

INTERNAL MEDICINE(2024)

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摘要
Objective To assess the prevalence and clinical correlates of non-alcoholic fatty liver disease (NAFLD) identified by computed tomography (CT) in the general population compared with ultrasonography (US). Methods Four hundred and fifty-eight subjects who received health checkups at Meijo Hospital in 2021 and underwent CT within a year of US in the past decade were analyzed. The mean age was 52.3 +/- 10.1 years old, and 304 were men. Results NAFLD was diagnosed in 20.3% by CT and in 40.4% by the US. The NAFLD prevalence in men was considerably greater in subjects 40-59 years old than in those <= 39 years old and in those >= 60 years old by both CT and US. The NAFLD prevalence in women was substantially higher in the subjects 50-59 years old than in those <= 49 years old or those >= 60 years old on US, while no significant differences were observed on CT. The abdominal circumference, hemoglobin value, high-density lipoprotein cholesterol level, albumin level, and diabetes mellitus were independent predictors of NAFLD diagnosed by CT. The body mass index, abdominal circumference, and triglyceride level were independent predictors of NAFLD diagnosed by the Conclusion NAFLD was found in 20.3% of CT cases and 40.4% of US cases among recipients of health checkups. An "inverted U curve" in which the NAFLD prevalence rose with age and dropped in late adulthood was reported. NAFLD was associated with obesity, the lipid profile, diabetes mellitus, hemoglobin values, and albumin levels. Our research is the first in the world to compare the NAFLD prevalence in the general population simultaneously by CT and US.
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关键词
non-alcoholic fatty liver disease,computed tomography,ultrasonography,metabolic dysfunction-associated fatty liver disease
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