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Comparative Study
. 2020 Jan 10;10(1):e033008.
doi: 10.1136/bmjopen-2019-033008.

Cross-sectional study using primary care and cancer registration data to investigate patients with cancer presenting with non-specific symptoms

Clare Pearson  1   2 , Veronique Poirier  3 , Karen Fitzgerald  3 , Greg Rubin  4 , Willie Hamilton  5
Affiliations
Comparative Study

Cross-sectional study using primary care and cancer registration data to investigate patients with cancer presenting with non-specific symptoms

Clare Pearson et al. BMJ Open. .

Abstract

Introduction: Patients presenting to primary care with site-specific alarm symptoms can be referred onto urgent suspected cancer pathways, whereas those with non-specific symptoms currently have no dedicated referral routes leading to delays in cancer diagnosis and poorer outcomes. Pilot Multidisciplinary Diagnostic Centres (MDCs) provide a referral route for such patients in England.

Objectives: This work aimed to use linked primary care and cancer registration data to describe diagnostic pathways for patients similar to those being referred into MDCs and compare them to patients presenting with more specific symptoms.

Methods: This cross-sectional study linked primary care data from the National Cancer Diagnosis Audit (NCDA) to national cancer registration and Route to Diagnosis records. Patient symptoms recorded in the NCDA were used to allocate patients to one of two groups - those presenting with symptoms mirroring referral criteria of MDCs (non-specific but concerning symptoms (NSCS)) and those with at least one site-specific alarm symptom (non-NSCS). Descriptive analyses compared the two groups and regression analysis by group investigated associations with long primary care intervals (PCIs).

Results: Patients with NSCS were more likely to be diagnosed at later stage (32% stage 4, compared with 21% in non-NSCS) and via an emergency presentation (34% vs 16%). These patients also had more multiple pre-referral general practitioner consultations (59% vs 43%) and primary care-led diagnostics (blood tests: 57% vs 35%). Patients with NSCS had higher odds of having longer PCIs (adjusted OR: 1.24 (1.11 to 1.36)). Patients with lung and urological cancers also had higher odds of longer PCIs overall and in both groups.

Conclusions: Differences in the diagnostic pathway show that patients with symptoms mirroring the MDC referral criteria could benefit from a new referral pathway.

Keywords: epidemiology; oncology; primary care.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Data exclusions and allocation to symptom-based analysis groups.NCDA, National Cancer Diagnosis Audit; NSCS, non-specific but concerning symptoms.
See this image and copyright information in PMC

References

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