{"id":21188,"date":"2025-02-17T10:55:39","date_gmt":"2025-02-17T15:55:39","guid":{"rendered":"https:\/\/www.ices.on.ca\/?post_type=journal_article&#038;p=21188"},"modified":"2025-02-18T11:11:56","modified_gmt":"2025-02-18T16:11:56","slug":"inequities-in-the-time-to-colon-cancer-diagnosis-among-individuals-with-severe-psychiatric-illness","status":"publish","type":"journal_article","link":"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/inequities-in-the-time-to-colon-cancer-diagnosis-among-individuals-with-severe-psychiatric-illness\/","title":{"rendered":"Inequities in the time to colon cancer diagnosis among individuals with severe psychiatric illness"},"content":{"rendered":"<p><strong>Introduction<\/strong> \u2014 Early colon cancer detection is critical for improving outcomes. The diagnostic interval is a useful approach to conceptualizing time-to-diagnosis within the healthcare system and understanding the diagnostic journey. Adults with severe psychiatric illness (SPI) are less likely to participate in cancer screening and more likely to be diagnosed with advanced cancers. We investigated the association between having an SPI and the colon cancer diagnostic interval.<\/p>\n<p><strong>Methods<\/strong> \u2014 We conducted a cross-sectional study of adults diagnosed with colon cancer in Ontario, Canada between 2007 and 2019 using administrative health data. Individuals with healthcare encounters consistent with pre-existing major depression, schizophrenia, bipolar disorder, or other non-organic psychotic illnesses were considered as having SPI. Individuals with an SPI-related hospitalization were categorized as having an inpatient SPI; the rest were considered outpatient. We calculated the diagnostic interval as the number of days from first colon cancer-related healthcare encounter to cancer diagnosis. Diagnostic pathways were assessed descriptively, including whether diagnosis was made symptomatically or with no symptom recorded. Quantile regression (stratified by symptom status) was used to quantify the association between SPI status and the diagnostic interval.<\/p>\n<p><strong>Results<\/strong> \u2014 We identified 42,143 individuals with colon cancer: 40,884 with no history of mental illness, 835 with a history of outpatient SPI, and 424 with inpatient SPI. Adults with SPI were significantly more likely to be diagnosed symptomatically (inpatient: 89.9%, outpatient: 86.6%, no SPI: 80.9%, p\u2009&lt;\u20090.001). Individuals with SPI experienced a significantly longer median symptomatic diagnostic interval and a similar median diagnostic interval when diagnosed with no symptom recorded, relative to those without a history of mental illness. After adjusting for covariates, the median symptomatic diagnostic interval was 48\u2009days longer (95% CI 28, 68) among individuals with outpatient SPI and 55\u2009days longer (95% CI 28, 82) among individuals with inpatient SPI compared to those with no SPI.<\/p>\n<p><strong>Conclusion<\/strong> \u2014 Individuals with SPI were more likely to be diagnosed symptomatically and had longer symptomatic diagnostic intervals than those without. This study represents a first step in targeting and improving cancer diagnostic processes for individuals with SPI.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction \u2014 Early colon cancer detection is critical for improving outcomes. The diagnostic interval is a useful approach to conceptualizing time-to-diagnosis within the healthcare system and understanding the diagnostic journey. Adults with severe psychiatric illness (SPI) are less likely to participate in cancer screening and more likely to be diagnosed with advanced cancers. We investigated [&hellip;]<\/p>\n","protected":false},"template":"","migration-helper-automated":[],"migration-manual":[],"topic":[38,20,34],"migration-helper-qa-sample-set":[],"class_list":["post-21188","journal_article","type-journal_article","status-publish","hentry","topic-cancer-and-cancer-screening","topic-health-and-health-care-inequality","topic-mental-health-and-addictions"],"acf":{"citation":"Gorodensky JH, Davis L, Griffiths R, Ayonrinde O, Webber C, Hanna TP, Coburn N, Mahar AL. <em>Cancer Med<\/em>. 2025; 14(4):e70623.","source_url":"https:\/\/doi.org\/10.1002\/cam4.70623","ices_scientist":[1263,1202,1312],"site":[6736],"research_program":[6741],"news_release":"","journal_article":"","atlas":"","research_report":"","infographic":"","video":"","downloads":null,"links":null,"sitecore_item_id":"","sitecore_item_name":"","sitecore_field_values":"","previous_url":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ICES | Inequities in the time to colon cancer diagnosis among individuals with severe psychiatric illness<\/title>\n<meta name=\"description\" content=\"Introduction \u2014 Early colon cancer detection is critical for improving outcomes. The diagnostic interval is a useful approach to conceptualizing\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/inequities-in-the-time-to-colon-cancer-diagnosis-among-individuals-with-severe-psychiatric-illness\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ICES | Inequities in the time to colon cancer diagnosis among individuals with severe psychiatric illness\" \/>\n<meta property=\"og:description\" content=\"Introduction \u2014 Early colon cancer detection is critical for improving outcomes. The diagnostic interval is a useful approach to conceptualizing\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ices.on.ca\/fr\/publications\/journal-articles\/inequities-in-the-time-to-colon-cancer-diagnosis-among-individuals-with-severe-psychiatric-illness\/\" \/>\n<meta property=\"og:site_name\" content=\"ICES\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ICESOntario\/\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-18T16:11:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.ices.on.ca\/wp-content\/uploads\/2024\/11\/ic-es-data-discovery-better-health-logo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.ices.on.ca\\\/fr\\\/publications\\\/journal-articles\\\/inequities-in-the-time-to-colon-cancer-diagnosis-among-individuals-with-severe-psychiatric-illness\\\/\",\"url\":\"https:\\\/\\\/www.ices.on.ca\\\/fr\\\/publications\\\/journal-articles\\\/inequities-in-the-time-to-colon-cancer-diagnosis-among-individuals-with-severe-psychiatric-illness\\\/\",\"name\":\"ICES | Inequities in the time to colon cancer diagnosis among individuals with severe psychiatric illness\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.ices.on.ca\\\/fr\\\/#website\"},\"datePublished\":\"2025-02-17T15:55:39+00:00\",\"dateModified\":\"2025-02-18T16:11:56+00:00\",\"description\":\"Introduction \u2014 Early colon cancer detection is critical for improving outcomes. 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