Calanzani N, Pannebakker MM, Tagg MJ, Walford H, Holloway P, de Wit N, Hamilton W, Walter FM. Who are the patients being offered the faecal immunochemical test in routine English general practice, and for what symptoms? A prospective descriptive study.
BMJ Open 2022;
12:e066051. [PMID:
36123111 PMCID:
PMC9486301 DOI:
10.1136/bmjopen-2022-066051]
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Abstract
OBJECTIVES
The faecal immunochemical test (FIT) was introduced to triage patients with lower-risk symptoms of colorectal cancer (CRC) in English primary care in 2018. While there is growing evidence on its utility to triage patients in this setting, evidence is still limited on how official FIT guidance is being used, for which patients and for what symptoms. We aimed to investigate the use of FIT in primary care practice for lower-risk patients who did not immediately meet criteria for urgent referral.
DESIGN
A prospective, descriptive study of symptomatic patients offered a FIT in primary care between January and June 2020.
SETTING
East of England general practices.
PARTICIPANTS
Consenting patients (aged ≥40 years) who were seen by their general practitioners (GPs) with symptoms of possible CRC for whom a FIT was requested. We excluded patients receiving a FIT for asymptomatic screening purposes, or patients deemed by GPs as lacking capacity for informed consent. Data were obtained via patient questionnaire, medical and laboratory records.
PRIMARY AND SECONDARY OUTCOME MEASURES
FIT results (10 µg Hb/g faeces defined a positive result); patient sociodemographic and clinical characteristics; patient-reported and GP-recorded symptoms, symptom severity and symptom agreement between patient and GP (% and kappa statistics).
RESULTS
Complete data were available for 310 patients, median age 70 (IQR 61-77) years, 53% female and 23% FIT positive. Patients most commonly reported change in bowel habit (69%) and fatigue (57%), while GPs most commonly recorded abdominal pain (25%) and change in bowel habit (24%). Symptom agreement ranged from 44% (fatigue) to 80% (unexplained weight loss). Kappa agreement was universally low across symptoms.
CONCLUSION
Almost a quarter of this primary care cohort of symptomatic patients with FIT testing were found to be positive. However, there was low agreement between patient-reported and GP-recorded symptoms. This may impact cancer risk assessment and optimal patient management in primary care.
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