Death or survival, which you measure may affect conclusions: A methodological study

Abstract Background and Aims Considering the opposite outcome—for example, survival instead of death—may affect conclusions about which subpopulation benefits more from a treatment or suffers more from an exposure. Methods For case studies on death following COVID‐19 and bankruptcy following melanom...

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Main Authors: Jake Shannin, Babette A. Brumback
Format: Article
Language:English
Published: Wiley 2022-11-01
Series:Health Science Reports
Subjects:
Online Access:https://doi.org/10.1002/hsr2.905
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author Jake Shannin
Babette A. Brumback
author_facet Jake Shannin
Babette A. Brumback
author_sort Jake Shannin
collection DOAJ
description Abstract Background and Aims Considering the opposite outcome—for example, survival instead of death—may affect conclusions about which subpopulation benefits more from a treatment or suffers more from an exposure. Methods For case studies on death following COVID‐19 and bankruptcy following melanoma, we compute and interpret the relative risk, odds ratio, and risk difference for different age groups. Since there is no established effect measure or outcome for either study, we redo these analyses for survival and solvency. Results In a case study on COVID‐19 that ignores confounding, the relative risk of death suggested that 40–49‐year‐old Mexicans with COVID‐19 suffered more from their unprepared healthcare system, using Italy's system as a baseline, than their 60–69‐year‐old counterparts. The relative risk of survival and the risk difference suggested the opposite conclusion. A similar phenomenon occurred in a case study on bankruptcy following melanoma treatment. Conclusion To increase transparency around this paradox, researchers reporting one outcome should note if considering the opposite outcome would yield different conclusions. When possible, researchers should also report or estimate underlying risks alongside effect measures.
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spelling doaj.art-bdc5507effdf406897ef9a85fc5ff99a2023-07-26T04:31:47ZengWileyHealth Science Reports2398-88352022-11-0156n/an/a10.1002/hsr2.905Death or survival, which you measure may affect conclusions: A methodological studyJake Shannin0Babette A. Brumback1Department of Statistics University of Florida Gainesville Florida USADepartment of Biostatistics University of Florida Gainesville Florida USAAbstract Background and Aims Considering the opposite outcome—for example, survival instead of death—may affect conclusions about which subpopulation benefits more from a treatment or suffers more from an exposure. Methods For case studies on death following COVID‐19 and bankruptcy following melanoma, we compute and interpret the relative risk, odds ratio, and risk difference for different age groups. Since there is no established effect measure or outcome for either study, we redo these analyses for survival and solvency. Results In a case study on COVID‐19 that ignores confounding, the relative risk of death suggested that 40–49‐year‐old Mexicans with COVID‐19 suffered more from their unprepared healthcare system, using Italy's system as a baseline, than their 60–69‐year‐old counterparts. The relative risk of survival and the risk difference suggested the opposite conclusion. A similar phenomenon occurred in a case study on bankruptcy following melanoma treatment. Conclusion To increase transparency around this paradox, researchers reporting one outcome should note if considering the opposite outcome would yield different conclusions. When possible, researchers should also report or estimate underlying risks alongside effect measures.https://doi.org/10.1002/hsr2.905effect‐measure modificationodds ratiorelative risksrisk differencevaccine efficacy
spellingShingle Jake Shannin
Babette A. Brumback
Death or survival, which you measure may affect conclusions: A methodological study
Health Science Reports
effect‐measure modification
odds ratio
relative risks
risk difference
vaccine efficacy
title Death or survival, which you measure may affect conclusions: A methodological study
title_full Death or survival, which you measure may affect conclusions: A methodological study
title_fullStr Death or survival, which you measure may affect conclusions: A methodological study
title_full_unstemmed Death or survival, which you measure may affect conclusions: A methodological study
title_short Death or survival, which you measure may affect conclusions: A methodological study
title_sort death or survival which you measure may affect conclusions a methodological study
topic effect‐measure modification
odds ratio
relative risks
risk difference
vaccine efficacy
url https://doi.org/10.1002/hsr2.905
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