CRP and cancer: More recently, CRP and ESR have been evaluated as a tool for predicting cancer in patients with non-specific symptoms referred to Diagnostic Outpatient Clinics for rapid access to cancer diagnostics in Denmark.31 In this setting cancer prevalence was much higher at 19.8%; those with raised CRP had an odds ratio of 1.41 for cancer, after adjustment for age and sex, similar to our adjusted DOR for raised CRP of 1.79.