Numbers and Features of Patients With a Diagnosis of Celiac Disease Without Duodenal Biopsy, Based on a National Survey

According to guidelines, individuals with symptoms of celiac disease should undergo duodenal biopsy analysis to establish a diagnosis, but little is known about physician adherence to these guidelines. We used a patient-powered research network (PPRN) to compare demographics, diagnoses, symptoms, and treatment between groups of patients with celiac disease diagnosed by biopsy analysis and patients with a diagnosis based on results of serology tests.

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