{"id":1732,"date":"2022-12-07T00:00:00","date_gmt":"2022-12-07T05:00:00","guid":{"rendered":"https:\/\/icesontario.wpengine.com\/journal-articles\/characterizing-regional-variability-in-lung-cancer-outcomes-across-ontario-a-population-based-analysis\/"},"modified":"2023-07-19T13:20:37","modified_gmt":"2023-07-19T17:20:37","slug":"characterizing-regional-variability-in-lung-cancer-outcomes-across-ontario-a-population-based-analysis","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/characterizing-regional-variability-in-lung-cancer-outcomes-across-ontario-a-population-based-analysis\/","title":{"rendered":"Characterizing regional variability in lung cancer outcomes across Ontario\u2014a population-based analysis"},"content":{"rendered":"<p><strong>Background<\/strong> \u2014 Lung cancer (LC) is the leading cause of cancer-related mortality. In Ontario, Canada, there are significant survival differences for patients with newly diagnosed LC across the 14 provincial regions.<\/p>\n<p><strong>Methods<\/strong> \u2014 A population-based retrospective cohort study using ICES databases from 01\/2007\u201312\/2017 identified patients with newly diagnosed LC through the Ontario Cancer Registry and those with LC as the cause of death. Descriptive data included patient, disease, and system characteristics. The primary outcome was 5-year survival by region.<\/p>\n<p><strong>Results<\/strong> \u2014 178,202 patient records were identified; 101,263 met inclusion criteria. LC incidence varied by region (5.6\u201314.6\/10,000), as did histologic subtype (adenocarcinoma: 27.3\u201346.1%). Five-year cancer-specific survival was impacted by age, rurality, pathologic subtype, stage at diagnosis, and income quintile. Timely care was inversely related to survival (fastest quintile: HR 3.22, <em>p<\/em> &lt; 0.0001). Adjusted 5-year cancer-specific survival varied across regions (24.1%, HR 1.12; 34.0%, HR 0.89, <em>p<\/em> &lt; 0.001).<\/p>\n<p><strong>Conclusions<\/strong> \u2014 When adjusting for confounders, differences in survival by health region persisted, suggesting a complex interplay between patient, disease, and system factors. A single approach to improving patient care is likely to be ineffective across different systems. Quality improvement initiatives to improve patient outcomes require different approaches amongst health regions to address local disparities in care.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Background \u2014 Lung cancer (LC) is the leading cause of cancer-related mortality. In Ontario, Canada, there are significant survival differences for patients with newly diagnosed LC across the 14 provincial regions. Methods \u2014 A population-based retrospective cohort study using ICES databases from 01\/2007\u201312\/2017 identified patients with newly diagnosed LC through the Ontario Cancer Registry and [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[38,20],"migration-helper-qa-sample-set":[],"class_list":["post-1732","journal_article","type-journal_article","status-publish","hentry","topic-cancer-and-cancer-screening","topic-health-and-health-care-inequality"],"acf":{"citation":"Mullin ML, Shellenberger J, Whitehead M, Brundage M, Eisenhauer EA, Lougheed MD, Parker CM, Digby GC. <em>Curr Oncol<\/em>. 2022, 29(12):9640-59. Epub 2022 Dec 7.","source_url":"https:\/\/www.mdpi.com\/1718-7729\/29\/12\/757","ices_scientist":[1294],"site":[6736],"research_program":[6746],"news_release":"","journal_article":"","atlas":"","research_report":"","infographic":"","video":"","downloads":null,"links":null,"sitecore_item_id":"EE0AC863-813F-4E99-A16F-F7584BAA11D4","sitecore_item_name":"Characterizing-regional-variability-in-lung-cancer-outcomes-across-Ontario","sitecore_field_values":"{\r\n  \"Title\": \"Characterizing regional variability in lung cancer outcomes across Ontario\u2014a population-based analysis\",\r\n  \"Short title\": \"Characterizing regional variability in\",\r\n  \"Summary\": \"This study found that quality improvement initiatives to improve patient outcomes require different approaches amongst health regions to address local disparities in care.\",\r\n  \"Citation\": \"<p>Mullin ML, Shellenberger J, Whitehead M, Brundage M, Eisenhauer EA, Lougheed MD, Parker CM, Digby GC. <em>Curr Oncol<\/em>. 2022, 29(12):9640-59. Epub 2022 Dec 7. DOI: <a href=\"https:\/\/doi.org\/10.3390\/curroncol29120757\" title=\"opens external link\">https:\/\/doi.org\/10.3390\/curroncol29120757<\/a><\/p>\",\r\n  \"Abstract\": \"<p><strong>Background<\/strong> &mdash; Lung cancer (LC) is the leading cause of cancer-related mortality. In Ontario, Canada, there are significant survival differences for patients with newly diagnosed LC across the 14 provincial regions.<\/p>n<p><strong>Methods<\/strong> &mdash; A population-based retrospective cohort study using ICES databases from 01\/2007&ndash;12\/2017 identified patients with newly diagnosed LC through the Ontario Cancer Registry and those with LC as the cause of death. Descriptive data included patient, disease, and system characteristics. The primary outcome was 5-year survival by region.<\/p>n<p><strong>Results<\/strong> &mdash; 178,202 patient records were identified; 101,263 met inclusion criteria. LC incidence varied by region (5.6&ndash;14.6\/10,000), as did histologic subtype (adenocarcinoma: 27.3&ndash;46.1%). Five-year cancer-specific survival was impacted by age, rurality, pathologic subtype, stage at diagnosis, and income quintile. Timely care was inversely related to survival (fastest quintile: HR 3.22, <em>p<\/em> &lt; 0.0001). Adjusted 5-year cancer-specific survival varied across regions (24.1%, HR 1.12; 34.0%, HR 0.89, <em>p<\/em> &lt; 0.001).<\/p>n<p><strong>Conclusions<\/strong> &mdash; When adjusting for confounders, differences in survival by health region persisted, suggesting a complex interplay between patient, disease, and system factors. A single approach to improving patient care is likely to be ineffective across different systems. Quality improvement initiatives to improve patient outcomes require different approaches amongst health regions to address local disparities in care.<\/p>n<p><a href=\"https:\/\/www.mdpi.com\/1718-7729\/29\/12\/757\" title=\"opens external link\">View full text<\/a><\/p>\",\r\n  \"ICES Scientists\": \"{A5C099AF-7BCD-437A-AD7E-75FC8F887742}\",\r\n  \"Posted Date\": \"20221207T000000\",\r\n  \"Show on Publications Landing Page\": \"1\"\r\n}","previous_url":"https:\/\/www.ices.on.ca\/Publications\/Journal-Articles\/2022\/December\/Characterizing-regional-variability-in-lung-cancer-outcomes-across-Ontario"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Characterizing regional variability in lung cancer outcomes across Ontario\u2014a population-based analysis<\/title>\n<meta name=\"description\" content=\"Background \u2014 Lung cancer (LC) is the leading cause of cancer-related mortality. 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