Global Burden of Disease Liver Cancer Collaboration IMPORTANCE Liver cancer is among the leading causes of cancer deaths globally. The most common causes for liver cancer include hepatitis B virus (HBV) and hepatitis C virus (HCV) infection and alcohol use.OBJECTIVE To report results of the Global Burden of Disease (GBD) 2015 study on primary liver cancer incidence, mortality, and disability-adjusted life-years (DALYs) for 195 countries or territories from 1990 to 2015, and present global, regional, and national estimates on the burden of liver cancer attributable to HBV, HCV, alcohol, and an "other" group that encompasses residual causes.DESIGN, SETTINGS, AND PARTICIPANTS Mortality was estimated using vital registration and cancer registry data in an ensemble modeling approach. Single-cause mortality estimates were adjusted for all-cause mortality. Incidence was derived from mortality estimates and the mortality-to-incidence ratio. Through a systematic literature review, data on the proportions of liver cancer due to HBV, HCV, alcohol, and other causes were identified. Years of life lost were calculated by multiplying each death by a standard life expectancy. Prevalence was estimated using mortality-to-incidence ratio as surrogate for survival. Total prevalence was divided into 4 sequelae that were multiplied by disability weights to derive years lived with disability (YLDs). DALYs were the sum of years of life lost and YLDs.MAIN OUTCOMES AND MEASURES Liver cancer mortality, incidence, YLDs, years of life lost, DALYs by etiology, age, sex, country, and year. RESULTS There were 854 000 incident cases of liver cancer and 810 000 deaths globally in 2015, contributing to 20 578 000 DALYs. Cases of incident liver cancer increased by 75% between 1990 and 2015, of which 47% can be explained by changing population age structures, 35% by population growth, and −8% to changing age-specific incidence rates. The male-to-female ratio for age-standardized liver cancer mortality was 2.8. Globally, HBV accounted for 265 000 liver cancer deaths (33%), alcohol for 245 000 (30%), HCV for 167 000 (21%), and other causes for 133 000 (16%) deaths, with substantial variation between countries in the underlying etiologies.CONCLUSIONS AND RELEVANCE Liver cancer is among the leading causes of cancer deaths in many countries. Causes of liver cancer differ widely among populations. Our results show that most cases of liver cancer can be prevented through vaccination, antiviral treatment, safe blood transfusion and injection practices, as well as interventions to reduce excessive alcohol use. In line with the Sustainable Development Goals, the identification and elimination of risk factors for liver cancer will be required to achieve a sustained reduction in liver cancer burden. The GBD study can be used to guide these prevention efforts.
Background Skin cancer, the most common cancer in the U.S., is a major public health problem. The incidence of nonmelanoma and melanoma skin cancer is increasing; however, little is known about the economic burden of treatment. Purpose To examine trends in the treated prevalence and treatment costs of nonmelanoma and melanoma skin cancers. Methods This study used data on adults from the 2002–2011 Medical Expenditure Panel Survey full-year consolidated files and information from corresponding medical conditions and medical event files to estimate the treated prevalence and treatment cost of nonmelanoma skin cancer, melanoma skin cancer, and all other cancer sites. Analyses were conducted in January 2014. Results The average annual number of adults treated for skin cancer increased from 3.4 million in 2002–2006 to 4.9 million in 2007–2011 (p<0.001). During this period, the average annual total cost for skin cancer increased from $3.6 billion to $8.1 billion (p=0.001), representing an increase of 126.2%, while the average annual total cost for all other cancers increased by 25.1%. During 2007–2011, nearly 5 million adults were treated for skin cancer annually, with average treatment costs of $8.1 billion each year. Conclusions These findings demonstrate that the health and economic burden of skin cancer treatment is substantial and increasing. Such findings highlight the importance of skin cancer prevention efforts, which may result in future savings to the healthcare system.
Purpose To estimate the prevalence of financial hardship associated with cancer in the United States and identify characteristics of cancer survivors associated with financial hardship. Methods We identified 1,202 adult cancer survivors diagnosed or treated at ≥ 18 years of age from the 2011 Medical Expenditure Panel Survey Experiences With Cancer questionnaire. Material financial hardship was measured by ever (1) borrowing money or going into debt, (2) filing for bankruptcy, (3) being unable to cover one’s share of medical care costs, or (4) making other financial sacrifices because of cancer, its treatment, and lasting effects of treatment. Psychological financial hardship was measured as ever worrying about paying large medical bills. We examined factors associated with any material or psychological financial hardship using separate multivariable logistic regression models stratified by age group (18 to 64 and ≥ 65 years). Results Material financial hardship was more common in cancer survivors age 18 to 64 years than in those ≥ 65 years of age (28.4% v 13.8%; P < .001), as was psychological financial hardship (31.9% v 14.7%, P < .001). In adjusted analyses, cancer survivors age 18 to 64 years who were younger, female, nonwhite, and treated more recently and who had changed employment because of cancer were significantly more likely to report any material financial hardship. Cancer survivors who were uninsured, had lower family income, and were treated more recently were more likely to report psychological financial hardship. Among cancer survivors ≥ 65 years of age, those who were younger were more likely to report any financial hardship. Conclusion Cancer survivors, especially the working-age population, commonly experience material and psychological financial hardship.
MethodsUsing the 2008 to 2010 Medical Expenditure Panel Survey, we identified 4,960 cancer survivors and 64,431 individuals without a history of cancer age Ն 18 years. Direct medical costs were measured using annual health care expenditures and examined by source of payment and service type. Indirect morbidity costs were estimated from lost productivity as a result of employment disability, missed work days, and lost household productivity. We evaluated the economic burden of cancer survivorship by estimating excess costs among cancer survivors, stratified by time since diagnosis (recently diagnosed [Յ 1 year] and previously diagnosed [Ͼ 1 year]), compared with individuals without a history of cancer using multivariable regression models stratified by age (18 to 64 and Ն 65 years), controlling for age, sex, race/ethnicity, education, and comorbidities.
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