Table 2.

Results literature review reporting on individual immunohistochemical mucin stains

Author	Year	Number SRC-GC		Description SRC-GC	Classification tumour type used	Mucin stains (% positivea)				Relationship with survival	Comparison with other tumour types
		n	%			MUC2	MUC5AC	MUC6	EMA/MUC1		Yes/No
Sakamoto H	1997	38	17	No	No	66	NA	NA	7	Yes	Yes
Baldus SE	1998	62	48	No	WHOb, Lauren	27	NA	NA	60/45	Yes	Yes
Gürbüz Y	2002	31	19	Yes	No	81	100	35	52	NR	Yes
Akyürek N	2002	37	26	No	Borrmann, WHOc, Lauren	41	NA	NA	43	NS	Yes
Aihara R	2004	69	100	Yes	WHOb, JGCA	41	100	38	NA	Yes	No
Chu PG	2004	30	100	Yes	No	50	50	NA	17	NR	No
Zhang HK	2004	31	33	No	no	81	55	71	NA	NS	Yes
Nguyen MD	2006	21	100	Yes	No	48	38	29	24	NR	No
Sentani K	2008	21	100	Yes	No	71	48	NA	NA	NR	No
Chiaravalli AM	2009	24	20	Yes	Own	60	60	NA	NA	NR	Yes
Seki T	2009	35	100	Yes	Lauren, Nakamura	60	97	NA	NA	NR	No
Ilhan O	2010	19	7	No	WHOc, Lauren	95	11	NA	NA	NS	Yes
Bartley AN	2011	22	100	Yes	WHOb	57	100	NA	NA	NR	No
Yonezawa S	2012	69	35	No	JGCA	NA	NA	NA	6 to 97e	No	Yes
Konno-Shimizu M	2013	51	43	Yes	No	NA	High	NA	NA	NR	No
Terada T (II)	2013	30	100	Yes	WHOd	13	67	70	10 (MUC1)	NR	No
Terada T (III)	2013	30	100	Yes	WHOd	NA	NA	NA	57 (EMA)	NR	No
Nakajima T	2016	35	100	No	No	54	94	77	NA	No	No
Fujimoto A	2017	12	12	No	JGCA	50	75	NA	NA	NR	Yes
Kim YH	2017	317f	100	Yes	WHOc	36	50	44	NA	NR	No
Xiong ZF	2017	163	100	Yes	No	47	74	29	21	Yes	No

n number of cases, % percentage of all cases, NA not applicable, NR not reported, NS not specific for SRC, SRC signet-ring cell, GC gastric cancer, WHO World Health Organisation, JGCA Japanese Gastric Cancer Association

^aPercentage rounded up

^b2nd edition WHO

^c3rd edition WHO

^d4th edition WHO

^eUsed different antibodies

^f92 instead of 317 cases were used for immunohistochemistry