• Margaret P Astin, Tanimola Martins, Nicky Welton, Richard D Neal, Peter W Rose, and William Hamilton.
• NIHR Centre for Academic Primary Care, University of Bristol. Bristol.
• Br J Gen Pract. 2015 Oct 1; 65 (639): e677-91.

BackgroundSelection of primary care patients for investigation of potential oesophagogastric cancer is difficult, as the symptoms may represent benign conditions, which are also more common.AimTo review systematically the presenting features of oesophagogastric cancers in primary care, including open-access endoscopy clinics.Design And SettingSystematic review and meta-analysis.MethodMEDLINE®, Embase, the Cochrane Library, and CINAHL were searched for studies of adults who were symptomatic and presented in primary care or open-access endoscopy clinics. Exclusions were being asymptomatic, screening, or recurrent cancers. Data were extracted to estimate the diagnostic performance of features of oesophagogastric cancers and summarised in a meta-analysis.ResultsFourteen studies were identified. The strongest summary sensitivity and specificity estimates were for: dyspepsia 0.42 (95% confidence interval [CI] 0.29 to 0.56) and 0.48 (95% CI = 0.31 to 0.65); pain 0.41 (95% CI = 0.24 to 0.62) and 0.75 (95% CI = 0.51 to 0.89); and dysphagia 0.32 (95% CI = 0.17 to 0.52) and 0.92 (95% CI = 0.81 to 0.97). Summary positive likelihood ratios (LR+) and diagnostic odds ratios were: dyspepsia 0.79 (95% CI = 0.55 to 1.15) and 0.65 (95% CI = 0.32 to 1.33); pain 1.64 (95% CI = 1.20 to 2.24) and 2.09 (95% CI = 1.57 to 2.77); and dysphagia 4.32 (95% CI = 2.46 to 7.58) and 5.91 (95% CI = 3.56 to 9.82). Sensitivity was lower for: anaemia 0.12 [95% Cl = 0.08 to 0.19] with specificity 0.97 [95% Cl = 0.94 to 0.99]; nausea/vomiting/bloating 0.17 [95% Cl = 0.05 to 0.46] and 0.84 [95% Cl = 0.60 to 0.94] respectively; reflux 0.23 [95% Cl = 0.10 to 0.46] and 0.70 [95% Cl = 0.59 to 0.80]; weight loss 0.25 [95% Cl = 0.12 to 0.43] and 0.96 [95% Cl = 0.88 to 0.98]. [corrected]. Corresponding LR+ were: anaemia 4.32 (95% CI = 2.64 to 7.08); nausea/vomiting/bloating 1.07 (95% CI = 0.52 to 2.19); reflux 0.78 (95% CI = 0.47 to 1.78) and; weight loss 5.46 (95% CI = 3.47 to 8.60).ConclusionDysphagia, weight loss, and anaemia show the strongest association but with relatively low sensitivity and high specificity. The findings support the value of investigation of these symptoms, but also suggest that, in a population of patients who are low risk but not no-risk, investigation is not currently recommended.© British Journal of General Practice 2015.

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