Table 5

Analysis of PTEN expression in gastric adenocarcinoma using immunohistochemistry

Author	n	Events (%)	PTEN-antibody clone; origin	Association with
Author	n	Events (%)	PTEN-antibody clone; origin	pT	pN	UICC stage	Grading WHO	Lauren	Survival
Cho et al 32	265	21.5	6H2.1 mouse	NI	NI	NI	NI	NI	NI
Darwish et al 27	290	20.6	6H2.1 mouse	NI	NI	NI	NI	NI	0.0003
Lee et al 28	310	20	6H2.1 mouse	−0.25	−0.215	0.253	0.0034	0.028 (int)	0.0014
Kang et al 25	248	25	6H2.1 mouse	<0.001	<0.001	<0.001	NS	NS	NI
Bai et al 29	91	29.7	2F4C9 mouse	0.239	0.049	0.194	0.322	0.007 (dif.)	0.003
Deng et al 30	118	23.7	17.A mouse	0.02	NS	NI	0.02	NI	NI
Zheng et al 31	249	27.7	28H6 mouse	NI	NI	NI	NI	<0.05 (dif.)	NI
Im et al 32	94	18.1	28H6 mouse	0.001	0.04	0.01	NI	NI	0.0907
Guo et al 21	53	34	Polyclonal rabbit	0.025	0.01	0.005	0.025	NI	NI
Zhou et al 33	70	77.1	Polyclonal rabbit	<0.05	NS	NS	NS	NI	NI

NI, not investigated; NS, not significant; dif, diffuse type; int, intestinal type.