. 2021 Oct 1;12(10):e00402. doi: 10.14309/ctg.0000000000000402

Table 2.

Characteristics of the IM subtypes and GC of studies included

First author	Year	No. of CIM	No. of IIM		No. of GC			No. of dysplasia			Pathological quality control
		No. of CIM	No. of IIM		No. of CIM at baseline	No. of IIM at baseline		No. of CIM at baseline	No. of IIM at baseline
		Type I	Type II	Type III	Type I	Type II	Type III	Type I	Type II	Type III
Ramesar¹⁷	1987	16	14	14	0	1	1	NR	NR	NR	NR
Sossai¹⁸	1990	71	22	19	0	0	2	9	7	5	NR
Silva¹⁹	1990	101	12	11	0	0	1	0	0	3	NR
Fang²⁰	1991	47	34	31	0	0	5	NR	NR	NR	NR
Filipe²¹	1994	518	197	275	6	5	15	NR	NR	NR	NR
Sun²²	2009	19	22	21	0	1	3	6	4	3	NR
Gonzalez²³	2010	104	88		1	16		0	0		Yes
Gonzalez²⁴	2016	248	219		8	15		9	13		Yes
Pittayanon²⁵	2017	81	10		0	3		1	2		Yes
Chapelle²⁶	2020	60	13		0	2		2	3		NR
Piazuelo²⁷	2021	134	115		1	7		2	14		Yes
Lee²⁸	2021	302	244		2	13		NR	NR		Yes

CIM, complete intestinal metaplasia; GC, gastric cancer; IIM, incomplete intestinal metaplasia; NR, not reported.