Table 2.

Relation between intratumoral β1, 6‐N‐acetylglucosaminyltransferase V (MGAT5) expression and clinical characteristics in three independent sets of patients with gastric cancer

Factor	Training set			Testing set			Validation set
	MGAT5 expression			MGAT5 expression			MGAT5 expression
	High	Low	P	High	Low	P	High	Low	P
All patients	44	53		61	65		35	55
Age, years†			0.321			0.802			0.682
≤63	23	33		24	27		15	26
>63	21	20		37	38		20	29
Gender			0.426			0.973			0.640
Female	14	21		18	19		8	15
Male	30	32		43	46		27	40
Localization			0.799			0.076			0.611
Proximal	4	6		18	10		9	16
Middle	22	23		18	30		9	18
Distal	18	24		25	25		17	21
Differentiation			0.030			<0.001			<0.001
Well	3	2		13	4		1	0
Moderate	22	14		23	11		22	14
Poor	19	37		25	50		12	41
Lauren classification			0.198			0.002			0.001
Intestinal type	35	36		50	37		31	30
Diffuse type	9	17		11	28		4	25
T classification			0.013			0.153			0.195
T1	18	8		7	3		3	1
T2	6	4		8	4		3	5
T3	1	3		8	6		5	3
T4	19	38		38	52		24	46
N classification			0.009			0.004			0.042
N0	25	13		28	14		13	7
N1	6	13		7	7		6	10
N2	6	8		12	10		9	17
N3	7	19		14	34		7	21
Distant metastasis			0.311			0.504			0.422
No	44	50		61	63		35	52
Yes	0	3		0	2		0	3
TNM stage			0.006			0.014			0.004
I	21	9		12	5		5	1
II	8	11		20	12		13	10
III	15	30		29	46		17	41
IV	0	3		0	2		0	3
Tumor size, cm†			0.137			0.576			0.248
<3.5	29	27		27	32		10	10
≥3.5	15	26		34	33		25	45
Kiel stage			0.026			0.003			0.013
I	16	5		6	1		2	0
II	9	8		21	12		11	6
IIIA	2	5		2	3		4	3
IIIB	11	16		21	18		11	26
IV	6	19		11	31		7	20

Kiel stage, Kiel proposal of stage grouping. †Split at median.