• Br J Gen Pract · Jun 2020

    Association between use of urgent suspected cancer referral and mortality and stage at diagnosis: a 5-year national cohort study.

    • Thomas Round, Carolynn Gildea, Mark Ashworth, and Henrik Møller.
    • School of Population Health and Environmental Sciences, King's College London, London, and National Cancer Registration and Analysis Service, Public Health England, London.
    • Br J Gen Pract. 2020 Jun 1; 70 (695): e389e398e389-e398.

    BackgroundThere is considerable variation between GP practices in England in their use of urgent referral pathways for suspected cancer.AimTo determine the association between practice use of urgent referral and cancer stage at diagnosis and cancer patient mortality, for all cancers and the most common types of cancer (colorectal, lung, breast, and prostate).Design And SettingNational cohort study of 1.4 million patients diagnosed with cancer in England between 2011 and 2015.MethodThe cohort was stratified according to quintiles of urgent referral metrics. Cox proportional hazards regression was used to quantify risk of death, and logistic regression to calculate odds of late-stage (III/IV) versus early-stage (I/II) cancers in relation to referral quintiles and cancer type.ResultsCancer patients from the highest referring practices had a lower hazard of death (hazard ratio [HR] = 0.96; 95% confidence interval [CI] = 0.95 to 0.97), with similar patterns for individual cancers: colorectal (HR = 0.95; CI = 0.93 to 0.97); lung (HR = 0.95; CI = 0.94 to 0.97); breast (HR = 0.96; CI = 0.93 to 0.99); and prostate (HR = 0.88; CI = 0.85 to 0.91). Similarly, for cancer patients from these practices, there were lower odds of late-stage diagnosis for individual cancer types, except for colorectal cancer.ConclusionHigher practice use of referrals for suspected cancer is associated with lower mortality for the four most common types of cancer. A significant proportion of the observed mortality reduction is likely due to earlier stage at diagnosis, except for colorectal cancer. This adds to evidence supporting the lowering of referral thresholds and consequent increased use of urgent referral for suspected cancer.©The Authors.

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