NBI With Optical Magnification Shows Good Interobserver Agreement in Diagnosing Gastritis.

Objective: To study the interobserver agreement for diagnosing gastritis using narrow band imaging (NBI) with magnification.

Methods: This prospective study recruited patients who underwent gastroscopy for dyspepsia in the Department of Gastroenterology, Aster MIMS Hospital, Kannur.361 patients were included in the study.