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We assessed chronic liver disease (CLD)-related mortality in the U.S. using death data (2011-2021) obtained from National Vital Statistics System (NVSS). The average annual percentage change (AAPC) from the models selected by Joinpoint regression analysis over the pre-pandemic (2011-2019) and the 2019-2021 were reported because non-linear trend in death rates were observed over the 2011-2021. Liver-specific death was defined as an underlying cause of death and Chronic liver disease (CLD)-related death was defined as any cause of death. During the pre-pandemic, age-standardized HCC- and cirrhosis-specific death rates were annually increased by AAPC = +1.18% (95% confidence interval, 0.34% to 2.03%) and AAPC = +1.95% (1.56% to 2.35%). In contrast, during the 2019-2021, the AAPC in age-standardized cirrhosis-specific death rate (per 100,000) accelerated by up to AAPC +11.25% (15.23 in 2019 to 18.86 in 2021) whereas that in age-standardized HCC-specific death rate slowed to -0.39 (-1.32% to 0.54%) (3.86 in 2019 to 3.84 in 2021). Compared to HCC-specific deaths, cirrhosis-specific deaths were more likely to be non-Hispanic white (72.4% vs. 62.0%) and non-Hispanic American Indian and Alaska native (AIAN) (2.2% vs. 1.1%) and have NAFLD (45.3% vs. 12.5%) and ALD (27.6% vs. 22.0%). During the 2019-2021, the age-standardized HCV- and HBV-related death rate stabilized, whereas the age-standardized NAFLD- and ALD-related deaths rate increased to 20.16 in 2021 (AAPC = +12.13% [7.76% to 16.68%]) and to 14.95 in 2021 (AAPC = +18.30% [13.76% to 23.03%]), which were in contrast to much smaller incremental increases during the pre-pandemic (AAPC = +1.82% [1.29% to 2.35%] and AAPC = +4.54% [3.97% to 5.11%]), respectively). The most pronounced rise in the age-standardized NAFLD-related death rates during the pandemic was observed among AIAN (AAPC = +25.38%), followed by non-Hispanic White female (AAPC = +14.28%), whereas the age-standardized ALD-related death rates during the pandemic were highest among AIAN (AAPC = +40.65%), followed by non-Hispanic Black female (AAPC = +26.79%). COVID-19 pandemic had a major negative impact on cirrhosis-specific and CLD-related mortality in the U.S. with significant racial and gender disparities.

Population‐level nonalcoholic fatty liver disease (NAFLD) death rate data are sparse. We described death rates for adults with NAFLD in the United States using mortality data from the National Vital Statistics System multiple‐cause mortality data (2007‐2016). Decedents who had NAFLD were identified by International Classification of Diseases (ICD) codes K75.81, K76.0, K74.0, K74.6, and K76.9. Among NAFLD decedents, cause‐specific deaths (e.g., cardiovascular disease [CVD], cirrhosis, hepatocellular carcinoma [HCC], non‐liver cancer, diabetes mellitus [DM]) were identified by underlying cause of death ICD‐10 codes. Trends were evaluated by average annual percentage change (AAPC) in age‐standardized death rate (ASDR) per 100,000 persons. Among the 25,129,960 decedents aged ≥20 years, 353,234 (1.4%) decedents had NAFLD (212,322 men; 260,765 non‐Hispanic whites, 32,868 non‐Hispanic blacks, 46,530 Hispanics, 5,025 non‐Hispanic American Indian or Alaska Natives [AIANs], 7,023 non‐Hispanic Asian or Pacific Islanders [APIs]), with a mean age at death of 64.47 ± 13.17 years. During the study period, the ASDR for NAFLD increased by 15% (12.94 to 14.90; AAPC, 1.98%; P < 0.001]), while women (AAPC, 2.99% vs. 1.16% men; P = 0.003), non‐Hispanic whites (AAPC, 2.48%), non‐Hispanic AIANs (AAPC, 2.31%), and Hispanics (AAPC, 0.74%) experienced the highest annual increases. Stable trends were noted for non‐Hispanic blacks and non‐Hispanic APIs. Among subgroups, Mexican (AAPC, 1.75%) and Asian Indians (AAPC, 6.94%) experienced annual increases. The top six underlying causes of death (155,894 cirrhosis, 38,444 CVD, 19,466 non‐liver cancer, 10,867 HCC, 8,113 DM, and 5,683 lung disease) accounted for 67.5% of NAFLD‐related deaths. For cause‐specific deaths, ASDR increased for HCC (AAPC, 3.82%), DM (AAPC, 2.23%), non‐liver cancer (AAPC, 2.14%), CVD (AAPC, 1.59%), and cirrhosis (AAPC, 0.96%). Conclusion: NAFLD‐related deaths in U.S. adults are increasing. Cirrhosis is the top cause‐specific death, followed by CVD. Women, non‐Hispanic whites, and non‐Hispanic AIANs (subgroups Mexicans and Asian Indians) experienced the highest increases in deaths. Policies addressing the societal burden of NAFLD are needed. Deaths among U.S adults with NAFLD are increasing. Cirrhosis is the top cause‐specific death, followed by cardiovascular disease. Females, non‐Hispanic whites and non‐Hispanic AIAN (subgroups Mexicans and Asian Indians) experienced the highest increases in deaths. Policies are needed addressing NAFLD’s societal burden

INTRODUCTION:In the United States, 10.2% households (HH) report child food insecurity. We assessed associations between metabolic dysfunction-associated fatty liver disease (MASLD) and food insecurity among the adolescents in the United States.METHODS:This cross-sectional study was performed using data from the National Health and Nutrition Examination Survey 2017-2018. Food insecurity was assessed by the US Department of Agriculture Child Food Security Survey Module. MASLD was defined by transient elastography.RESULTS:Among 771 adolescents (aged 12-18 years) (mean age 14.7 years; 52.5% male; 50.9% White, 12.7% Black, 24.4% Hispanic, and 12.1% other), 9.8% reported food insecurity; MASLD prevalence of 10.12% (95% confidence interval [CI] 7.13%-13.20%) affecting 4.27 million adolescents; and nonalcoholic fatty liver disease prevalence of 10.77% (95% CI 7.76-13.78) affecting 4.52 million adolescents. There was near-perfect concordance between MASLD and nonalcoholic fatty liver disease (Cohen's κ coefficient of 0.971, 95% CI 0.946-0.996). The prevalence of MASLD was greater among food-insecure adolescents vs food-secure ones (17.4% vs 9.4%) and adolescents living with a low HH income vs those with a higher HH income (15.0% vs 7.2%) and living with a head of HH with a lower education level vs one with a higher education level (18.0% vs 8.2%) (P < 0.05). The fully adjusted model showed that compared with adolescents living in a higher HH income, food-insecure adolescents living in low income HH had a 3-fold greater risk (odds ratio [OR] 3.25, 1.31-8.08) of having MASLD, while food-secure adolescents living in low-income HH had no increased risk (OR 1.58, 0.85-2.93, P = 0.139). The fully adjusted odds of having MASLD was elevated by +163% with the presence of HTN (OR 2.63, 1.02-6.78), +241% with being Hispanic (OR 3.41, 1.36-8.56), and +138% with being male (OR 2.38, 1.20-4.75). In addition, a 1-unit increase in BMI was associated with 25% increase in the odds of having MASLD (OR 1.25, 1.17-1.33) among US adolescents.DISCUSSION:Food insecurity is associated with MASLD among US low-income adolescents especially Hispanic male individuals with obesity and hypertension. Policies addressing inequities are needed.

Population‐based studies that estimate awareness of nonalcoholic fatty liver disease (NAFLD) in the United States are scant. We aimed to understand public awareness of NAFLD and its temporal trends. Our study included 11,700 adults (18+ years old) from five National Health and Nutrition Examination Surveys (2007‐2016). NAFLD was determined by the improved Fatty Liver Index for the multiethnic U.S. population (US‐FLI) in the absence of secondary causes of liver disease. Overall prevalence of NAFLD, hepatitis C virus, and hepatitis B virus were 36.6%, 1.02% and 0.35%, respectively. From 2007‐2008 to 2015‐2016, awareness of liver disease among adults with NAFLD improved from 4.4% to 6.3% (trend P = 0.026) but 4 to 10 times lower than awareness about viral hepatitis. In 2015‐2016, among adults with NAFLD, awareness of liver disease was lower among young adults (aged 18‐29 years) compared with those aged ≥ 30 years (0% vs. 6.9%) and lower among non‐Hispanic Blacks compared with other races (0.7% vs. 6.6%) (all P < 0.001). In multivariable analysis, young adults (adjusted odds ratio [aOR] = 0.29; confidence interval [CI] 0.10‐0.87) and non‐Hispanic Blacks (aOR = 0.43; CI 0.20‐0.96) were negatively associated with awareness of liver disease among adults with NAFLD, whereas diabetes (aOR = 2.22; CI 1.37‐3.58), advanced fibrosis (aOR = 2.34; CI 1.17‐4.68), and a higher number of health care visits (aOR = 1.33; CI 1.15‐1.50) were positively associated with awareness of liver disease. Nearly 96% of adults with NAFLD in the United States were unaware they had liver disease, especially among young adults and non‐Hispanic Blacks. Findings indicate efforts are needed to improve awareness of NAFLD.

We assessed chronic liver disease (CLD)-related mortality in the U.S. using death data (2011-2021) obtained from National Vital Statistics System (NVSS). The average annual percentage change (AAPC) from the models selected by Joinpoint regression analysis over the pre-pandemic (2011-2019) and the 2019-2021 were reported because non-linear trend in death rates were observed over the 2011-2021. Liver-specific death was defined as an underlying cause of death and Chronic liver disease (CLD)-related death was defined as any cause of death. During the pre-pandemic, age-standardized HCC- and cirrhosis-specific death rates were annually increased by AAPC = +1.18% (95% confidence interval, 0.34% to 2.03%) and AAPC = +1.95% (1.56% to 2.35%). In contrast, during the 2019-2021, the AAPC in age-standardized cirrhosis-specific death rate (per 100,000) accelerated by up to AAPC +11.25% (15.23 in 2019 to 18.86 in 2021) whereas that in age-standardized HCC-specific death rate slowed to -0.39 (-1.32% to 0.54%) (3.86 in 2019 to 3.84 in 2021). Compared to HCC-specific deaths, cirrhosis-specific deaths were more likely to be non-Hispanic white (72.4% vs. 62.0%) and non-Hispanic American Indian and Alaska native (AIAN) (2.2% vs. 1.1%) and have NAFLD (45.3% vs. 12.5%) and ALD (27.6% vs. 22.0%). During the 2019-2021, the age-standardized HCV- and HBV-related death rate stabilized, whereas the age-standardized NAFLD- and ALD-related deaths rate increased to 20.16 in 2021 (AAPC = +12.13% [7.76% to 16.68%]) and to 14.95 in 2021 (AAPC = +18.30% [13.76% to 23.03%]), which were in contrast to much smaller incremental increases during the pre-pandemic (AAPC = +1.82% [1.29% to 2.35%] and AAPC = +4.54% [3.97% to 5.11%]), respectively). The most pronounced rise in the age-standardized NAFLD-related death rates during the pandemic was observed among AIAN (AAPC = +25.38%), followed by non-Hispanic White female (AAPC = +14.28%), whereas the age-standardized ALD-related death rates during the pandemic were highest among AIAN (AAPC = +40.65%), followed by non-Hispanic Black female (AAPC = +26.79%). COVID-19 pandemic had a major negative impact on cirrhosis-specific and CLD-related mortality in the U.S. with significant racial and gender disparities.

Chronic liver disease (CLD) is a growing cause of morbidity and mortality worldwide. The burden of CLD varies according to etiology and geographic location. We assessed the global burden of disability from the most important complications of CLD (cirrhosis and liver cancer [LC]) according to the most common etiologies between 2007 and 2017. We obtained years living with disability (YLD), years of life lost (YLL), and disability‐adjusted life‐years (DALYs) data from the Global Burden of Disease 2017 study. Between 2007 and 2017, LC DALYs decreased by 4.52% and cirrhosis DALYs decreased by 10.58%. Nevertheless, in 2017, CLD caused 62.16 million DALYs (33.4% LC and 66.5% cirrhosis), of which 96.8% came from YLL (34.1% LC and 65.9% cirrhosis) and 3.2% from YLD (11.6% LC and 88.4% cirrhosis). In 2017, Asia accounted for 66% of all DALYs globally. Central Asia, Africa regions, Southeast Asia, and Eastern Europe had the highest liver‐related DALYs (≥1,000 per 100,000), whereas the lowest rates (≤500 per 100,000) were seen in high‐income regions, such as Asia Pacific, North America, Western Europe, and Australasia. In 2007, hepatitis B virus caused the majority (47.5%) of liver‐related DALYs, followed by hepatitis C virus (23.7%), alcoholic liver disease (14.2%), and nonalcoholic fatty liver disease/nonalcoholic steatohepatitis (NAFLD/NASH) (6.4%). In 2017, these rates shifted to 45.7%, 24.1%, 4.8%, and 7.1%, respectively. Between 2007 and 2017, cirrhosis‐related DALYs due to NAFLD/NASH increased by 23.4%, whereas the increment was 37.5% for LC‐related DALYs due to NAFLD/NASH. Conclusion: DALYs due to viral hepatitis still account for the largest proportion of CLD‐related DALYs. Although DALYs from all other liver diseases have remained stable in the last decade, DALYs related to NAFLD/NASH are growing. National, regional, and global policies are needed to address the disability burden of NAFLD across the world.

Although nonalcoholic fatty liver disease (NAFLD) is associated with obesity, it can also occur in lean and metabolically normal individuals. Our aim was to determine the effect of different combinations of abdominal adiposity and overall adiposity on the mortality of NAFLD. The Third National Health and Nutrition Examination Survey with mortality data from the National Death Index were used. NAFLD was defined as steatosis without other liver diseases. Body composition was categorized according to waist circumference (WC) and body mass index (BMI). Obesity pattern was defined according to BMI (lean, overweight, and obese) and WC (normal and obese) using accepted definitions. The “metabolically abnormal” group had visceral obesity, insulin resistance, type 2 diabetes, hypertension, or hyperlipidemia. Of the 9,341 study individuals (47.9% male; 76.8% white), NAFLD was present in 3,140 (33.6%), of whom 0.6% had lean BMI and normal WC, and 1.7% had lean BMI and obese WC. The prevalence of metabolically normal NAFLD was 3.26% (95% confidence interval [CI]: 2.62%‐3.90%), with most of these subjects having lean BMI (79.2%). During an average follow‐up of 22.4 years, 24.1% of the subjects died from all causes. Among these deceased individuals, 41.7% had NAFLD at baseline. Causes of death were cardiovascular disease (24.8%), cancer‐related (24.3%), type 2 diabetes–related (4.4%), and liver‐related (1.7%). Individuals with NAFLD who were lean by BMI but obese by WC had higher risk of all‐cause mortality. Individuals with NAFLD with normal BMI but obese WC had a higher risk of cardiovascular mortality (hazard ratio 2.63 [95% CI: 1.15‐6.01]) as compared with overweight (by BMI) NAFLD with normal WC. Conclusion: The risk of mortality in NAFLD can be affected by the presence of visceral obesity, especially in the lean BMI group. These data have important management implications for patients with NAFLD.

Understanding the burden of NAFLD among adolescents and young adults has become increasingly relevant. Our aim was to estimate the prevalence of NAFLD among adolescents and young adults in the United States. Data were obtained from National Health and Nutrition Examination Survey from 2007‐2016. Adolescents and young adults aged 12 to 29 years were included. NAFLD was determined by the U.S. Fatty Liver Index in the absence of secondary causes of liver disease, and the differences in prevalence trends were analyzed based on age, gender, and race. Complete data were available for 4,654 adolescents and young adults (mean age 21 years; 50.9% male; 56.8% White, 20.9% Hispanic, and 13.3% Black). The overall prevalence of NAFLD among adolescents and young adults was 18.5%, ranging from 13.2% among early and middle adolescents (12‐17 years) to 18.7% among late adolescents and young adults (18‐24 years), to 24.0% among older young adults (25‐30 years) (trend P < 0.001). The prevalence of NAFLD was higher for boys than for girls (aged 12‐17: 15.1% vs. 11.3%; aged 18‐24: 21.1% vs. 16.2%; aged 25‐30: 28.7% vs. 19.2%, all P < 0.030). Among all age groups, Hispanics had a higher prevalence of NAFLD than Whites and Blacks (pairwise P < 0.001). Over the study time period, the prevalence of NAFLD among early and middle adolescents and young adults did not change (trend P > 0.80). In contrast, NAFLD prevalence among late adolescents increased (trend P = 0.018). In fact, White and Hispanic late adolescents were the drivers behind this increase in the prevalence of NAFLD. Conclusion: These data indicate an increasing trend in NAFLD prevalence among 18‐24‐year‐olds. These data have important public health and policy implications. Over the past decade, the prevalence of NAFLD among the youth (12‐29 years old) is increasing primarily among the 18‐24‐year‐old age group. This increase is partly driven by increases among young Hispanic males. We also found the prevalence of complications of obesity such as insulin resistance and hyperlipidemia parallels that of NAFLD.

Background The prevalence and outcomes of non-alcoholic fatty liver disease (NAFLD) among elderly have not been well described. Our aim was to assess the prevalence, risk factors and mortality of NAFLD in individuals older than 60 years. Methods The data from the Third National Health and Nutrition Examination Survey with linked mortality files were utilized. NAFLD was defined by United States Fatty Liver Index in the absence of other causes of liver disease. Cox proportional hazards models were used to assess all-cause and cardiovascular (CV) mortality. All analyses were performed using SAS software. Results Three thousand two hundred seventy-one NHANES-III participants were included. The prevalence rates from NAFLD were 40.3% (95% CI: 37.2–43.5%) and 39.2% (95% CI: 34.4–44.0%) among 60–74 and > 74 years old. Among aged 60–74, the risks for 5-year and 10-year all-cause mortality were associated with presence of NAFLD [adjusted hazard ratios: 1.60 (95% CI: 1.24–1.96) for 5-year and 1.22 (95%CI: 1.01–1.49) for 10-year]. CV mortality were higher in this group were (aHR: 2.12 (95% CI: 1.20–3.75) for 5-year and 1.06 (95%CI: 0.73–1.52) for 10-year]. In contrast, in individuals > 74 years old, diagnosis of NAFLD was not associated with all-cause or CVD mortality. Conclusions NAFLD is common among elderly population. Although NAFLD is associated with increased risk of mortality for 60–74-year-old individuals, this risk was not increased in those older than 74 years.

In the United States, chronic viral hepatitis B and C (CHB and CHC), nonalcoholic fatty liver disease (NAFLD), and alcohol‐related liver disease (ALD) are the main causes of liver deaths attributable to hepatocellular carcinoma (HCC) and cirrhosis. Our aim was to assess the changes in the rates of mortality and years of potential life lost (YLL) for HCC and cirrhosis due to different liver diseases. We used multiple‐cause mortality data (2007‐2017) from the National Center for Health Statistics. Annual percentage change (APC) in age‐standardized death rate per 100,000 (ASDR) and age‐standardized years of life lost per 100,000 (ASYLLR) were calculated. In the United States in 2017, there were 2,797,265 deaths with 73,424 liver deaths, contributing to 1,467,742 of YLL. Of the liver deaths, HCC was noted in 12,169 (16.6%) and cirrhosis in 60,111 (82.0%). CHC was responsible for 50.4% of HCC deaths; NAFLD, 35.4%; HBV, 6.0%; ALD, 5.4%; and others, 2.8%. NAFLD was responsible for 48.9% of cirrhosis deaths; ALD, 34.7%; CHC, 12.3%; CHB, 0.9%; and others, 3.2%. Between 2007 and 2017, the increase in ASDR for HCC due to ALD and NAFLD accelerated after 2014 (APC, 11.38% and 6.55%, respectively) whereas CHC stabilized (APC, 0.63%; P = 0.272) after 2011. The increase in ASYLLR of HCC escalated after 2014 for ALD and NAFLD (APC, 12.12% and 6.15%, respectively) and leveled out for CHC after 2012 (APC, −1.05%; P = 0.056). Furthermore, the highest annual increase in ASDR and ASYLLR for cirrhosis was due to ALD (APC, 3.24% and 3.34%, respectively) followed by NAFLD (APC, 1.23% and 0.49%, respectively). Conclusion: Over the past decade, ASDR and ASYLLR due to ALD and NAFLD have been increasing in the United States. The rising burden of HCC and cirrhosis are primarily driven by NAFLD and ALD. In the United States (U.S.), chronic viral hepatitis B and C (CHB and CHC), non‐alcoholic fatty liver disease (NAFLD) and alcohol‐related liver disease (ALD) are the main causes of liver deaths attributable to hepatocellular carcinoma (HCC) and cirrhosis.Over the past decade, ASDR and ASYLL are increasing in the U.S. The rising burden of HCC and cirrhosis are primarily driven by NAFLD and ALD.