Epidemiology of chronic liver diseases in the USA in the past three decades

Gut - Tập 69 Số 3 - Trang 564-568 - 2020
Zobair M. Younossi1, Maria Stepanova2, Youssef Younossi2, Pegah Golabi3,4, Alita Mishra3,4, Nila Rafiq3,4, Linda Henry2
1Betty and Guy Beatty Center for Integrated Research, Inova Health System, Falls Church, VA 22042, USA
2Department of Statistical Services, Center for Outcomes Research in Liver Diseases, Washington, DC, USA
3Betty and Guy Beatty Center for Integrated Research, Inova Health System, Falls Church, Virginia, USA
4Department of Medicine, Center For Liver Disease, Inova Fairfax Hospital, Falls Church, Virginia, USA

Tóm tắt

ObjectiveGiven significant advances in treatment of viral hepatitis and the growing epidemic of obesity, the burden of the different types of liver diseases in the USA may be changing. Our aim was to assess the shift in the prevalence of different liver disease aetiologies in the USA over the past three decades.DesignNational Health and Nutrition Examination Surveys (NHANES; cross-sectional 1988–1994 and 1999–2016) were used.ResultsA total of 58 731 adults from NHANES (1988–2016) were included. Over the study period, the prevalence of chronic hepatitis B and alcoholic liver disease remained stable: 0.3%–0.4% and 0.8%–1.0%, respectively (p>0.05). The prevalence of chronic hepatitis C decreased nearly twofold: 1.6% in 1988–1994 to 0.9% in 2013–2016 (p=0.03). In contrast, the prevalence of non-alcoholic fatty liver disease (NAFLD; by US-Fatty Liver Index) increased from 20.0% (1988–1994) to 28.3% (1999–2004) to 33.2% (2009–2012) and 31.9% (2013–2016) (p<0.0001). Furthermore, steady increases were observed in the rates of obesity (22.2% in 1988–1994 to 31.0% in 1999–2004 to 38.9% in 2013–2016), type 2 diabetes mellitus (T2DM) (from 7.2% to 8.2% to 13.5% same years), insulin resistance and hypertension (all p<0.0001). Yearly trend analyses showed that the only LD with consistently increasing prevalence was NAFLD (trend p=0.01). Multivariable regression analysis showed that obesity (OR 10.4; 95% CI 9.5 to 11.3) and T2DM (OR 3.7; 95% CI 3.2 to 4.2) were the major independent predictors of NAFLD.ConclusionsOver the past 30 years in the USA, NAFLD is the only liver disease with growing prevalence, synchronous with the increasing rates of obesity and T2DM.

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