{"id":1837,"date":"2022-10-17T00:00:00","date_gmt":"2022-10-17T04:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/journal-articles\/post-acute-health-care-burden-after-sars-cov-2-infection-a-retrospective-cohort-study\/"},"modified":"2023-06-14T19:47:10","modified_gmt":"2023-06-14T23:47:10","slug":"post-acute-health-care-burden-after-sars-cov-2-infection-a-retrospective-cohort-study","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/post-acute-health-care-burden-after-sars-cov-2-infection-a-retrospective-cohort-study\/","title":{"rendered":"Post-acute healthcare burden after SARS-CoV-2 infection: a retrospective cohort study"},"content":{"rendered":"

Background<\/strong> — The post-acute burden of healthcare use after SARS-CoV-2 infection is unknown. We sought to quantify the post-acute burden of healthcare use after SARS-CoV-2 infection among community-dwelling adults in Ontario by comparing those with positive and negative polymerase chain reaction (PCR) test results for SARS-CoV-2 infection.<\/p>\n

Methods<\/strong> — We conducted a retrospective cohort study involving community dwelling adults in Ontario who had a PCR test between Jan. 1, 2020, and Mar. 31, 2021. Follow-up began 56 days after PCR testing. We matched people 1:1 on a comprehensive propensity score. We compared per-person-year rates for healthcare encounters at the mean and 99th percentiles, and compared counts using negative binomial models, stratified by sex.<\/p>\n

Results<\/strong> — Among 531 702 matched people, mean age was 44 (standard deviation [SD] 17) years and 51% were female. Females who tested positive for SARS-CoV-2 had a mean of 1.98 (95% CI 1.63 to 2.29) more healthcare encounters overall per-person-year than those who had a negative test result, with 0.31 (95% CI 0.05 to 0.56) more home care encounters to 0.81 (95% CI 0.69 to 0.93) more long-term care days. At the 99th percentile per-person-year, females who tested positive had 6.48 more days of hospital admission and 28.37 more home care encounters. Males who tested positive for SARS-CoV-2 had 0.66 (95% CI 0.34 to 0.99) more overall healthcare encounters per-person-year than those who tested negative, with 0.14 (95% CI 0.06 to 0.21) more outpatient encounters and 0.48 (95% CI 0.36 to 0.60) long-term care days, and 0.43 (95% CI –0.67 to –0.21) fewer home care encounters. At the 99th percentile, they had 8.69 more days in hospital per-person-year, with fewer home care (–27.31) and outpatient (–0.87) encounters.<\/p>\n

Interpretation<\/strong> — We found significantly higher rates of healthcare use after a positive SARS-CoV-2 PCR test in an analysis that matched test-positive with test-negative people. Stakeholders can use these findings to prepare for health associated with post-COVID-19 condition (long COVID).<\/p>\n","protected":false},"excerpt":{"rendered":"

Background — The post-acute burden of healthcare use after SARS-CoV-2 infection is unknown. We sought to quantify the post-acute burden of healthcare use after SARS-CoV-2 infection among community-dwelling adults in Ontario by comparing those with positive and negative polymerase chain reaction (PCR) test results for SARS-CoV-2 infection. Methods — We conducted a retrospective cohort study […]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[64],"migration-helper-qa-sample-set":[],"class_list":["post-1837","journal_article","type-journal_article","status-publish","hentry","topic-epidemiology"],"acf":{"citation":"McNaughton CD, Austin PC, Sivaswamy A, Fang J, Abdel-Qadir H, Daneman N, Udell JA, Wodchis WP, Mostarac I, Lee DS, Atzema CL. CMAJ<\/em>. 2022; 194:E1368-76. Epub 2022 Oct 17.","source_url":"https:\/\/www.cmaj.ca\/content\/194\/40\/E1368","ices_scientist":[1383,1385,1379,1215,1346,1135,1290],"site":[6733],"research_program":[6742],"news_release":[7407],"journal_article":[],"atlas":[],"research_report":[],"infographic":[9286],"video":[],"downloads":null,"links":null,"sitecore_item_id":"FE07FD71-6CC0-451C-9DB6-85142B64FFA6","sitecore_item_name":"Post-acute-health-care-burden-after-SARS-CoV-2-infection","sitecore_field_values":"{\n \"Title\": \"Post-acute healthcare burden after SARS-CoV-2 infection: a retrospective cohort study\",\n \"Short title\": \"Post-acute healthcare burden after\",\n \"Summary\": \"This study found significantly higher rates of healthcare use after a positive SARS-CoV-2 PCR test in an analysis that matched test-positive with test-negative people. \",\n \"Citation\": \"

McNaughton CD, Austin PC, Sivaswamy A, Fang J, Abdel-Qadir H, Daneman N, Udell JA, Wodchis WP, Mostarac I, Lee DS, Atzema CL. CMAJ<\/em>. 2022; 194:E1368-76. Epub 2022 Oct 17. DOI: https:\/\/doi.org\/10.1503\/cmaj.220728<\/a><\/p>\",\n \"Abstract\": \"

Background<\/strong> — The post-acute burden of healthcare use after SARS-CoV-2 infection is unknown. We sought to quantify the post-acute burden of healthcare use after SARS-CoV-2 infection among community-dwelling adults in Ontario by comparing those with positive and negative polymerase chain reaction (PCR) test results for SARS-CoV-2 infection.<\/p>n

Methods<\/strong> — We conducted a retrospective cohort study involving community dwelling adults in Ontario who had a PCR test between Jan. 1, 2020, and Mar. 31, 2021. Follow-up began 56 days after PCR testing. We matched people 1:1 on a comprehensive propensity score. We compared per-person-year rates for healthcare encounters at the mean and 99th percentiles, and compared counts using negative binomial models, stratified by sex.<\/p>n

Results<\/strong> — Among 531 702 matched people, mean age was 44 (standard deviation [SD] 17) years and 51% were female. Females who tested positive for SARS-CoV-2 had a mean of 1.98 (95% CI 1.63 to 2.29) more healthcare encounters overall per-person-year than those who had a negative test result, with 0.31 (95% CI 0.05 to 0.56) more home care encounters to 0.81 (95% CI 0.69 to 0.93) more long-term care days. At the 99th percentile per-person-year, females who tested positive had 6.48 more days of hospital admission and 28.37 more home care encounters. Males who tested positive for SARS-CoV-2 had 0.66 (95% CI 0.34 to 0.99) more overall healthcare encounters per-person-year than those who tested negative, with 0.14 (95% CI 0.06 to 0.21) more outpatient encounters and 0.48 (95% CI 0.36 to 0.60) long-term care days, and 0.43 (95% CI –0.67 to –0.21) fewer home care encounters. At the 99th percentile, they had 8.69 more days in hospital per-person-year, with fewer home care (–27.31) and outpatient (–0.87) encounters.<\/p>n

Interpretation<\/strong> — We found significantly higher rates of healthcare use after a positive SARS-CoV-2 PCR test in an analysis that matched test-positive with test-negative people. Stakeholders can use these findings to prepare for health associated with post-COVID-19 condition (long COVID).<\/p>n

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