Prominent publications by Simon Iain Hay

KOL Index score: 35564

BACKGROUND: How long one lives, how many years of life are spent in good and poor health, and how the population's state of health and leading causes of disability change over time all have implications for policy, planning, and provision of services. We comparatively assessed the patterns and trends of healthy life expectancy (HALE), which quantifies the number of years of life expected to be lived in good health, and the complementary measure of disability-adjusted life-years (DALYs), ...

Also Ranks for: Years Life |  global burden |  195 countries |  systematic analysis |  poor health
KOL Index score: 32135

BACKGROUND: Population estimates underpin demographic and epidemiological research and are used to track progress on numerous international indicators of health and development. To date, internationally available estimates of population and fertility, although useful, have not been produced with transparent and replicable methods and do not use standardised estimates of mortality. We present single-calendar year and single-year of age estimates of fertility and population by sex with ...

Also Ranks for: 195 Countries |  population age |  global burden |  systematic analysis |  fertility mortality
KOL Index score: 30888

BACKGROUND: The Global Burden of Disease Study 2013 (GBD 2013) aims to bring together all available epidemiological data using a coherent measurement framework, standardised estimation methods, and transparent data sources to enable comparisons of health loss over time and across causes, age-sex groups, and countries. The GBD can be used to generate summary measures such as disability-adjusted life-years (DALYs) and healthy life expectancy (HALE) that make possible comparative ...

Also Ranks for: Epidemiological Transition |  life expectancy |  dalys hale |  188 countries |  ylls ylds
KOL Index score: 30464

BACKGROUND: Measurement of changes in health across locations is useful to compare and contrast changing epidemiological patterns against health system performance and identify specific needs for resource allocation in research, policy development, and programme decision making. Using the Global Burden of Diseases, Injuries, and Risk Factors Study 2016, we drew from two widely used summary measures to monitor such changes in population health: disability-adjusted life-years (DALYs) and ...

Also Ranks for: Global Burden |  195 countries |  dalys hale |  years life |  systematic analysis
KOL Index score: 29573

BACKGROUND: Monitoring levels and trends in premature mortality is crucial to understanding how societies can address prominent sources of early death. The Global Burden of Disease 2016 Study (GBD 2016) provides a comprehensive assessment of cause-specific mortality for 264 causes in 195 locations from 1980 to 2016. This assessment includes evaluation of the expected epidemiological transition with changes in development and where local patterns deviate from these trends.


Also Ranks for: Global Burden |  specific mortality |  year age |  hiv aids |  deaths 2016
KOL Index score: 29480

BACKGROUND: The Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2017 comparative risk assessment (CRA) is a comprehensive approach to risk factor quantification that offers a useful tool for synthesising evidence on risks and risk-outcome associations. With each annual GBD study, we update the GBD CRA to incorporate improved methods, new risks and risk-outcome pairs, and new data on risk exposure levels and risk-outcome associations.

METHODS: We used the CRA framework ...

Also Ranks for: Risk Exposure |  study 2017 |  deaths dalys |  195 countries |  middle east
KOL Index score: 28681

BACKGROUND: Detailed assessments of mortality patterns, particularly age-specific mortality, represent a crucial input that enables health systems to target interventions to specific populations. Understanding how all-cause mortality has changed with respect to development status can identify exemplars for best practice. To accomplish this, the Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016) estimated age-specific and sex-specific all-cause mortality between ...

Also Ranks for: Life Expectancy |  specific mortality |  global burden |  sdi countries |  systematic analysis
KOL Index score: 28408

BACKGROUND: Improving survival and extending the longevity of life for all populations requires timely, robust evidence on local mortality levels and trends. The Global Burden of Disease 2015 Study (GBD 2015) provides a comprehensive assessment of all-cause and cause-specific mortality for 249 causes in 195 countries and territories from 1980 to 2015. These results informed an in-depth investigation of observed and expected mortality patterns based on sociodemographic measures.


Also Ranks for: Life Expectancy |  specific mortality |  global burden |  population growth |  total deaths
KOL Index score: 28170

BACKGROUND: Global development goals increasingly rely on country-specific estimates for benchmarking a nation's progress. To meet this need, the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2016 estimated global, regional, national, and, for selected locations, subnational cause-specific mortality beginning in the year 1980. Here we report an update to that study, making use of newly available data and improved methods. GBD 2017 provides a comprehensive assessment ...

Also Ranks for: Specific Mortality |  global burden |  death rate |  195 countries |  gbd 2017 gbd
KOL Index score: 27769

BACKGROUND: Chronic obstructive pulmonary disease (COPD) and asthma are common diseases with a heterogeneous distribution worldwide. Here, we present methods and disease and risk estimates for COPD and asthma from the Global Burden of Diseases, Injuries, and Risk Factors (GBD) 2015 study. The GBD study provides annual updates on estimates of deaths, prevalence, and disability-adjusted life years (DALYs), a summary measure of fatal and non-fatal disease outcomes, for over 300 diseases and ...

Also Ranks for: Copd Asthma |  global burden |  adjusted life |  chronic obstructive |  systematic analysis
KOL Index score: 27724

BACKGROUND: 18% of the world's population lives in India, and many states of India have populations similar to those of large countries. Action to effectively improve population health in India requires availability of reliable and comprehensive state-level estimates of disease burden and risk factors over time. Such comprehensive estimates have not been available so far for all major diseases and risk factors. Thus, we aimed to estimate the disease burden and risk factors in every state ...

Also Ranks for: States India |  global burden |  epidemiological transition |  etl state groups |  1990 2016
KOL Index score: 26791

BACKGROUND: Healthy life expectancy (HALE) and disability-adjusted life-years (DALYs) provide summary measures of health across geographies and time that can inform assessments of epidemiological patterns and health system performance, help to prioritise investments in research and development, and monitor progress toward the Sustainable Development Goals (SDGs). We aimed to provide updated HALE and DALYs for geographies worldwide and evaluate how disease burden changes with ...

Also Ranks for: Hale Dalys |  global burden |  healthy life expectancy |  adjusted life |  systematic analysis
KOL Index score: 25843

BACKGROUND: The Global Burden of Diseases, Injuries, and Risk Factors Study 2016 (GBD 2016) provides a comprehensive assessment of risk factor exposure and attributable burden of disease. By providing estimates over a long time series, this study can monitor risk exposure trends critical to health surveillance and inform policy debates on the importance of addressing risks in context.

METHODS: We used the comparative risk assessment framework developed for previous iterations of GBD to ...

Also Ranks for: Global Burden |  metabolic risks |  risk exposure |  study 2016 |  deaths dalys
KOL Index score: 25751

BACKGROUND: Comprehensive and comparable estimates of health spending in each country are a key input for health policy and planning, and are necessary to support the achievement of national and international health goals. Previous studies have tracked past and projected future health spending until 2040 and shown that, with economic development, countries tend to spend more on health per capita, with a decreasing share of spending from development assistance and out-of-pocket sources. ...

Also Ranks for: Health Spending |  195 countries |  development assistance |  global population |  government pocket
KOL Index score: 25549

BACKGROUND: Previous attempts to characterise the burden of chronic respiratory diseases have focused only on specific disease conditions, such as chronic obstructive pulmonary disease (COPD) or asthma. In this study, we aimed to characterise the burden of chronic respiratory diseases globally, providing a comprehensive and up-to-date analysis on geographical and time trends from 1990 to 2017.

METHODS: Using data from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) ...

Also Ranks for: Chronic Respiratory Diseases |  global burden |  systematic analysis |  south asia |  subsaharan africa

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Simon Iain Hay:Expert Impact

Concepts for whichSimon Iain Hayhas direct influence:Global burden,  195 countries,  Systematic analysis,  Life expectancy,  Malaria control,  East africa.

Simon Iain Hay:KOL impact

Concepts related to the work of other authors for whichfor which Simon Iain Hay has influence:Dengue virus,  Physical activity,  Global burden,  Cardiovascular disease,  Blood pressure,  Air pollution,  Ischemic stroke.



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Institute for Health Metrics and Evaluation, University of Washington, Seattle, WA 98195 | Institute for Health Metrics and Evaluation, University of Washington, United States | Institute for Health Metrics and Evaluation, Department of Health Metric