Role of pre-existing incomplete intestinal metaplasia in gastric adenocarcinoma: A retrospective case series analysis

Table 1 Characteristics of the subjects having developed gastric adenocarcinoma following a previous upper endoscopy with biopsies

No.	Gender	Age at cancer development	Year of enrolment	Year of cancer diagnosis	Year of death	No. of preceding upper endoscopies	Number of months of the reference endoscopy prior to cancer development	Reference endoscopy (highest risk lesion in the case of several preceding endoscopies)					Grade of the cancer
								Dysplasia	OLGA stage	OLGIM stage	Complete/incomplete intestinal metaplasia	Intestinal metaplasia according to Filipe et al[9] (highest grade)
1	Female	88	2008	2012	2013	1	52	No	II	II	Incomplete	NA	NA
2	Male	53	2011	2016	Alive	3	70	High-grade	III	III	Incomplete	III	Grade 1
3	Female	72	2010	2014	2015	3	48	High-grade	I	I	Incomplete	NA	Grade 3
4	Female	90	2008	2019	2020	4	65	No	III	II	Incomplete	III	Grade I
5	Female	75	2007	2021	Alive	2	25	No	II	II	Incomplete	III	Grade 1

NA: Not available; OLGA: Operative Link on Gastritis Assessment; OLGIM: Operative Link on Gastritis Intestinal Metaplasia Assessment.