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. 2020 Aug 13;70(2):243–250. doi: 10.1136/gutjnl-2020-322200

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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The presence and severity of premalignant gastric lesions according to the operative link for gastritis assessment of atrophic gastritis (OLGA) and operative link for gastritis assessment of intestinal metaplasia (OLGIM) grading systems. over 2004–2018, for the presence of atrophic gastritis and intestinal metaplasia (ie, grade ≥1), the prevalence rates declined from 55.9% to 15.9% and from 31.7% to 21.4%, respectively (both p<0.001). For advanced-stage atrophic gastritis and intestinal metaplasia (ie, grade 3 or 4), the prevalence rates declined from 7.1% to 0 and from 11.8% to 1.8%, respectively (both p<0.001).