Table I.

Clinicopathological characteristics of patients with GC; diffuse-subtype and intestinal-subtype adenocarcinomas.

Clincopathological characteristic	Total, n=29	Diffuse/poorly cohesive GCa, n=13 (45%)	Intestinal-subtype GCb, n=16 (55%)	P-value
Sex, n (%)				0.9c
Male	13/29	6/13 (46%)	7/16 (43%)
Female	16/29	7/13 (54%)	9/16 (56%)
Age, years (median)	63+/−17	57 (27–71)	75 (59–82)	0.0004d
Linitis (presence of fibrosis)				0.0014c
Positive	9/29	8/13 (61.5%)	1/16 (6%)
Negative	20/9	5/13 (38.5%)	15/16 (94%)
Tumor size, mm
<50	10/27	4/11 (36%)	6/16 (37%)	0.1d
≥50	17/27	7/11 (64%)	10/16 (63%)	0.9c
Depth of tumor invasion (T)				0.5c
T1-T2	6/29	2/13 (15%)	4/16 (33 %)
T3-T4	23/29	11/13 (85%)	12/16 (67 %)
Lymphatic invasion, n (%)				0.006c
Positive	16/29	11/13 (85%)	5/15 (33%)
Negative	13/29	2/13 (15%)	10/15 (67 %)
Vascular invasion, n + (%)
Positive	20/29	10/13 (77%)	10/16 (62%)	0.4c
Negative	9/29	3/13 (23%)	6/16 (38%)	NS
Neural invasion, n (%)
Positive	23/29	11/13 (68%)	12/16 (75%)	0.5c
Negative	6/29	2/13	4/16	NS
Metastasis sites (M), n (%)				0.033c
Peritoneal	6/29	5/13 (38%)	1/16 (6%)
Others	6/29	1 (pancreas and colon)	1 (liver)

^aDiffuse-type/poorly cohesive adenocarcinoma.

^bIntestinal-type adenocarcinoma.

^cχ2

^dMann Whitney. NS, not significant; GC, gastric cancer.