ArticleBritish journal of cancer2017
Comorbid conditions delay diagnosis of colorectal cancer: a cohort study using electronic primary care records.
Article in British journal of cancer, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers, 2 of them syntheses that pooled it.
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Who cites it
55 citing papers in PubMed, 2 syntheses or guidelines pooled it, 86 citations in OpenAlex.
- Treatment delay significantly increases mortality in colorectal cancer: a meta-analysis.GeroScience · 2025Pooled it
- Glycosylated haemoglobin and prognosis in 10,536 people with cancer and pre-existing diabetes: a meta-analysis with dose-response analysis.BMC cancer · 2022Pooled it
- Symptom Attribution, Help Seeking and Willingness to Undergo Diagnostic Investigations for Bowel Cancer Symptoms in People With Anxiety and/or Depression-A Vignette Study.Psycho-oncology · 2025Trial
- Inequalities in cancer diagnostic outcomes for patients with a learning disability: a retrospective cohort study in England.BMJ oncology · 2026Article
- Cancer stage at diagnosis by duration of pre-existing chronic analgesic use and anxiety or depression.Nature communications · 2025Article
- Liver Metastasis Risk and Timing in Pancreatic Cancer Patients Using Electronic Health Records.medRxiv : the preprint server for health sciences · 2025Article
- Evaluating the risk of comorbidity onset in elderly patients after a cancer diagnosis.BMC public health · 2025Article
- Diagnostic inequalities relating to physical healthcare among people with mental health conditions: a systematic review.EClinicalMedicine · 2025Review
- Article
- Impact of Self-Reported Long-Term Mental Health Morbidity on Help-Seeking and Diagnostic Testing for Bowel-Related Cancer Symptoms: A Vignette Study.Cancer medicine · 2024Article
- Comorbidity in patients with cancer treated at The Christie.British journal of cancer · 2024Article
- The effect of comorbidities on diagnostic interval for lung cancer in England: a cohort study using electronic health record data.British journal of cancer · 2024Article
- Emergency department involvement in the diagnosis of cancer among older adults: a SEER-Medicare study.JNCI cancer spectrum · 2024Article
- Psychiatric disorders and the cancer diagnostic process in general practice: a combined questionnaire and register study exploring the patients' experiences in Denmark.Scandinavian journal of primary health care · 2024Article
- An Assessment of Knowledge, Attitude, and Practice (KAP) of Colorectal Cancer among Community Pharmacists in the Qassim Region of Saudi Arabia.Pharmacy (Basel, Switzerland) · 2024Article
- Factors associated with the melanoma diagnostic interval in Ontario, Canada: a population-based study.British journal of cancer · 2024Article
- Chronic disease comorbidity and associated factors among cancer patients in eastern Ethiopia.Frontiers in oncology · 2024Article
- The hospitalization burden of inflammatory bowel disease in a southwestern highland region of China: a territory-wide study from 2015 to 2020.Frontiers in medicine · 2024Article
- Analyzing Cancer Incidence Trends in Oman From 1996 to 2019: A Comprehensive Study of the National Cancer Annual Reports.JCO global oncology · 2024Article
- Multi-morbidity and its association with common cancer diagnoses: a UK Biobank prospective study.BMC public health · 2023Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPre-existing non-cancer conditions may complicate and delay colorectal cancer diagnosis.
methodIncident cases (aged ⩾40 years, 2007-2009) with colorectal cancer were identified in the Clinical Practice Research Datalink, UK. Diagnostic interval was defined as time from first symptomatic presentation of colorectal cancer to diagnosis. Comorbid conditions were classified as 'competing demands' (unrelated to colorectal cancer) or 'alternative explanations' (sharing symptoms with colorectal cancer). The association between diagnostic interval (log-transformed) and age, gender, consultation rate and number of comorbid conditions was investigated using linear regressions, reported using geometric means.
resultsOut of the 4512 patients included, 72.9% had ⩾1 competing demand and 31.3% had ⩾1 alternative explanation. In the regression model, the numbers of both types of comorbid conditions were independently associated with longer diagnostic interval: a single competing demand delayed diagnosis by 10 days, and four or more by 32 days; and a single alternative explanation by 9 days. For individual conditions, the longest delay was observed for inflammatory bowel disease (26 days; 95% CI 14-39).
conclusionsThe burden and nature of comorbidity is associated with delayed diagnosis in colorectal cancer, particularly in patients aged ⩾80 years. Effective clinical strategies are needed for shortening diagnostic interval in patients with comorbidity.
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