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ABSTRACT: Objectives
To evaluate the utility of different symptoms, alone or combined, presented to primary care for an adult brain tumour diagnosis.Design and setting
Matched case-control study, using the data from Clinical Practice Research Datalink (2000-2014) from primary care consultations in the UK.Method
All presentations within 6 months of the index diagnosis date (cases) or equivalent (controls) were coded into 32 symptom groups. Sensitivity, specificity, positive predictive values (PPVs) and positive likelihood ratios were calculated for symptoms and combinations of symptoms with headache and cognitive features. Diagnostic odds ratios were calculated using conditional logistic regression, adjusted for age group, sex and Charlson comorbidity. Stratified analyses were
SUBMITTER: Ozawa M
PROVIDER: S-EPMC6720478 | biostudies-literature | 2019 Aug
REPOSITORIES: biostudies-literature