Health care costs of rheumatoid arthritis: A longitudinal population study.

Quantifying the contribution of rheumatoid arthritis to the acquisition of subsequent health care costs is an emerging focus of the rheumatologic community and payers of health care. Our objective was to determine the healthcare costs before and after diagnosis of rheumatoid arthritis (RA) from the...

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Autores principales:	Mark Tatangelo, George Tomlinson, J Michael Paterson, Edward Keystone, Nick Bansback, Claire Bombardier
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cb0c1b200c0e4e30980725b7dffabc3c
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spelling	oai:doaj.org-article:cb0c1b200c0e4e30980725b7dffabc3c2021-11-25T06:19:17ZHealth care costs of rheumatoid arthritis: A longitudinal population study.1932-620310.1371/journal.pone.0251334https://doaj.org/article/cb0c1b200c0e4e30980725b7dffabc3c2021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0251334https://doaj.org/toc/1932-6203Quantifying the contribution of rheumatoid arthritis to the acquisition of subsequent health care costs is an emerging focus of the rheumatologic community and payers of health care. Our objective was to determine the healthcare costs before and after diagnosis of rheumatoid arthritis (RA) from the public payer's perspective. The study design was a longitudinal observational administrative data-based cohort with RA cases from Ontario Canada (n = 104,933) and two control groups, matched 1:1 on year of cohort entry from 2001 to 2016. The first control group was matched on age, sex and calendar year of cohort entry (diagnosis year for those with RA); the second group added medical history to the match before RA diagnosis year. The main exposure was new onset RA. The secondary exposure was calendar year of RA diagnosis to compare attributable costs over the study observation window. Main outcomes were health care costs in 2015 Canadian dollars, overall and by cost category. We used attribution methods to classify costs into those associated with RA, those associated with comorbidities, and age/sex-related underlying costs. Health care costs associated with RA increased up to the year of diagnosis, where they reached $8,591: $4,142 in RA associated costs; $1,242 in RA comorbidity associated costs; and $3,207 in underlying costs. In the eighth-year post diagnosis, the RA costs declined to $2,567 while the RA comorbidity associated costs remained relatively constant at $1,142, and the underlying age/sex related cost increased to $4,426. RA patients had lower costs when diagnosed in later calendar years. Our results suggest a large proportion of disease related health care costs are a result of costs associated with RA comorbidities, which may appear many years before diagnosis.Mark TatangeloGeorge TomlinsonJ Michael PatersonEdward KeystoneNick BansbackClaire BombardierPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 5, p e0251334 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mark Tatangelo George Tomlinson J Michael Paterson Edward Keystone Nick Bansback Claire Bombardier Health care costs of rheumatoid arthritis: A longitudinal population study.
description	Quantifying the contribution of rheumatoid arthritis to the acquisition of subsequent health care costs is an emerging focus of the rheumatologic community and payers of health care. Our objective was to determine the healthcare costs before and after diagnosis of rheumatoid arthritis (RA) from the public payer's perspective. The study design was a longitudinal observational administrative data-based cohort with RA cases from Ontario Canada (n = 104,933) and two control groups, matched 1:1 on year of cohort entry from 2001 to 2016. The first control group was matched on age, sex and calendar year of cohort entry (diagnosis year for those with RA); the second group added medical history to the match before RA diagnosis year. The main exposure was new onset RA. The secondary exposure was calendar year of RA diagnosis to compare attributable costs over the study observation window. Main outcomes were health care costs in 2015 Canadian dollars, overall and by cost category. We used attribution methods to classify costs into those associated with RA, those associated with comorbidities, and age/sex-related underlying costs. Health care costs associated with RA increased up to the year of diagnosis, where they reached $8,591: $4,142 in RA associated costs; $1,242 in RA comorbidity associated costs; and $3,207 in underlying costs. In the eighth-year post diagnosis, the RA costs declined to $2,567 while the RA comorbidity associated costs remained relatively constant at $1,142, and the underlying age/sex related cost increased to $4,426. RA patients had lower costs when diagnosed in later calendar years. Our results suggest a large proportion of disease related health care costs are a result of costs associated with RA comorbidities, which may appear many years before diagnosis.
format	article
author	Mark Tatangelo George Tomlinson J Michael Paterson Edward Keystone Nick Bansback Claire Bombardier
author_facet	Mark Tatangelo George Tomlinson J Michael Paterson Edward Keystone Nick Bansback Claire Bombardier
author_sort	Mark Tatangelo
title	Health care costs of rheumatoid arthritis: A longitudinal population study.
title_short	Health care costs of rheumatoid arthritis: A longitudinal population study.
title_full	Health care costs of rheumatoid arthritis: A longitudinal population study.
title_fullStr	Health care costs of rheumatoid arthritis: A longitudinal population study.
title_full_unstemmed	Health care costs of rheumatoid arthritis: A longitudinal population study.
title_sort	health care costs of rheumatoid arthritis: a longitudinal population study.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/cb0c1b200c0e4e30980725b7dffabc3c
work_keys_str_mv	AT marktatangelo healthcarecostsofrheumatoidarthritisalongitudinalpopulationstudy AT georgetomlinson healthcarecostsofrheumatoidarthritisalongitudinalpopulationstudy AT jmichaelpaterson healthcarecostsofrheumatoidarthritisalongitudinalpopulationstudy AT edwardkeystone healthcarecostsofrheumatoidarthritisalongitudinalpopulationstudy AT nickbansback healthcarecostsofrheumatoidarthritisalongitudinalpopulationstudy AT clairebombardier healthcarecostsofrheumatoidarthritisalongitudinalpopulationstudy
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Health care costs of rheumatoid arthritis: A longitudinal population study.

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