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Verbal autopsies (VAs) are extensively used to investigate the population-level distributions of deaths by cause in low-resource settings without well-organized vital statistics systems. Computer-based methods are often adopted to assign…

Applications · Statistics 2024-03-20 Tsuyoshi Kunihama , Zehang Richard Li , Samuel J. Clark , Tyler H. McCormick

Understanding cause-specific mortality rates is crucial for monitoring population health and designing public health interventions. Worldwide, two-thirds of deaths do not have a cause assigned. Verbal autopsy (VA) is a well-established tool…

Methodology · Statistics 2023-06-26 Zehang Richard Li , Zhenke Wu , Irena Chen , Samuel J. Clark

In low-resource settings where vital registration of death is not routine it is often of critical interest to determine and study the cause of death (COD) for individuals and the cause-specific mortality fraction (CSMF) for populations.…

Applications · Statistics 2022-07-27 Kelly R. Moran , Elizabeth L. Turner , David Dunson , Amy H. Herring

The distribution of deaths by cause provides crucial information for public health planning, response, and evaluation. About 60% of deaths globally are not registered or given a cause, limiting our ability to understand disease…

Applications · Statistics 2018-11-28 Tsuyoshi Kunihama , Zehang Richard Li , Samuel J. Clark , Tyler H. McCormick

Only about one-third of the deaths worldwide are assigned a medically-certified cause, and understanding the causes of deaths occurring outside of medical facilities is logistically and financially challenging. Verbal autopsy (VA) is a…

Applications · Statistics 2023-05-01 Toshiya Yoshida , Trinity Shuxian Fan , Tyler McCormick , Zhenke Wu , Zehang Richard Li

Cause-of-death data is fundamental for understanding population health trends and inequalities as well as designing and evaluating public health interventions. A significant proportion of global deaths, particularly in low- and…

Applications · Statistics 2025-02-04 Yu Zhu , Zehang Richard Li

In regions without complete-coverage civil registration and vital statistics systems there is uncertainty about even the most basic demographic indicators. In such areas the majority of deaths occur outside hospitals and are not recorded.…

Computer-coded verbal autopsy (CCVA) algorithms predict cause of death from high-dimensional family questionnaire data (verbal autopsies) of a deceased individual. CCVA algorithms are typically trained on non-local data, then used to…

Methodology · Statistics 2019-04-26 Abhirup Datta , Jacob Fiksel , Agbessi Amouzou , Scott Zeger

A verbal autopsy (VA) consists of a survey with a relative or close contact of a person who has recently died. VA surveys are commonly used to infer likely causes of death for individuals when deaths happen outside of hospitals or…

Applications · Statistics 2018-11-16 Samuel J. Clark , Zehang Li , Tyler H. McCormick

Verbal autopsies (VA) are widely used to provide cause-specific mortality estimates in developing world settings where vital registration does not function well. VAs assign cause(s) to a death by using information describing the events…

Other Statistics · Statistics 2015-04-10 Samuel J. Clark , Tyler McCormick , Zehang Li , Jon Wakefield

Monitoring cause-of-death data is an important part of understanding disease burdens and effects of public health interventions. Verbal autopsy (VA) is a well-established method for gathering information about deaths outside of hospitals by…

Methodology · Statistics 2025-06-17 Yu Zhu , Zehang Richard Li

Verbal autopsy procedures are widely used for estimating cause-specific mortality in areas without medical death certification. Data on symptoms reported by caregivers along with the cause of death are collected from a medical facility, and…

Methodology · Statistics 2008-08-06 Gary King , Ying Lu

Verbal autopsy (VA) algorithms are routinely used to determine individual-level causes of death (COD) in many low-and-middle-income countries, which are then aggregated to derive population-level cause-specific mortality fractions (CSMF),…

Methodology · Statistics 2023-12-07 Sandipan Pramanik , Scott Zeger , Dianna Blau , Abhirup Datta

Lower-and-middle income countries are faced with challenges arising from a lack of data on cause of death (COD), which can limit decisions on population health and disease management. A verbal autopsy(VA) can provide information about a COD…

Machine Learning · Computer Science 2022-04-27 Thokozile Manaka , Terence Van Zyl , Alisha N Wade , Deepak Kar

Learning dependence relationships among variables of mixed types provides insights in a variety of scientific settings and is a well-studied problem in statistics. Existing methods, however, typically rely on copious, high quality data to…

Applications · Statistics 2019-07-25 Zehang Richard Li , Tyler H. McCormick , Samuel J. Clark

In settings where most deaths occur outside the healthcare system, verbal autopsies (VAs) are a common tool to monitor trends in causes of death (COD). VAs are interviews with a surviving caregiver or relative that are used to predict the…

Computation and Language · Computer Science 2024-04-04 Shuxian Fan , Adam Visokay , Kentaro Hoffman , Stephen Salerno , Li Liu , Jeffrey T. Leek , Tyler H. McCormick

Verbal autopsy (VA) is a critical tool for estimating causes of death in resource-limited settings where medical certification is unavailable. This study presents LA-VA, a proof-of-concept pipeline that combines Large Language Models (LLMs)…

Computation and Language · Computer Science 2025-09-12 Yiqun T. Chen , Tyler H. McCormick , Li Liu , Abhirup Datta

Accurate estimation of cause-specific mortality fractions (CSMFs), the percentage of deaths attributable to each cause in a population, is essential for global health monitoring. Challenge arises because computer-coded verbal autopsy (CCVA)…

In this work, we propose a novel variational Bayesian adaptive learning approach for cross-domain knowledge transfer to address acoustic mismatches between training and testing conditions, such as recording devices and environmental noise.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-28 Hu Hu , Sabato Marco Siniscalchi , Chao-Han Huck Yang , Chin-Hui Lee

The literature comparing the performance of algorithms for assigning cause of death using verbal autopsy data is fractious and does not reach a consensus on which algorithms perform best, or even how to do the comparison. This manuscript…

Applications · Statistics 2018-02-23 Samuel J. Clark
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