Lymph node metastasis in gastric cardiac adenocarcinoma in male patients

Table 6 Correlation between lymph node metastases at pN₁, pN₂ and pN₃ and clinicopathological factors

Characterists	pN1									pN2									pN3
	Total			Female			Male			Total			Female			Male			Total			Female			Male
	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value	LN+	LN-	P value
Age (yr)			0.830			0.134			0.287			0.066			0.541			0.082			0.670			0.179			0.769
< 60	33	13		5	5		28	8		11	35		2	8		9	27		4	42		0	10		4	32
≥ 60	70	30		19	6		51	24		12	88		3	22		9	66		11	89		4	21		7	68
Tumor size (cm)			0.020			0.554			0.021			0.151			0.191			0.314			0.095			0.068			0.345
< 2.0	0	2		0	0		0	2		0	2		0	0		0	2		0	2		0	0		0	2
2.0-5.0	62	31		15	8		47	23		11	82		2	21		9	61		6	87		1	22		5	65
> 5.0	41	10		9	3		32	7		12	39		3	9		9	30		9	42		3	9		6	33
Gross appearance			0.000			0.211			0.000			0.674			0.513			0.748			0.395			0.428			0.560
Type 0	0	6		0	2		0	4		0	6		0	2		0	4		0	6		0	2		0	4
Type 1	5	8		2	1		3	7		1	12		0	3		1	9		0	13		0	3		0	10
Type 2	81	24		19	7		62	17		19	86		4	22		15	64		13	92		3	23		10	69
Type 3	10	3		2	0		8	3		2	11		1	1		1	10		2	11		1	1		1	10
Type 4	7	2		1	1		6	1		1	8		0	2		1	6		0	9		0	2		0	7
Tumor differentiation			0.000			0.150			0.001			0.071			0.782			0.054			0.324			0.855			0.215
Differentiated	44	32		9	7		35	25		8	68		2	14		6	54		6	70		2	14		4	56
Undifferentiate	59	11		15	4		44	7		15	55		3	16		12	39		9	61		2	17		7	44
Pathological tumor depth			0.000			0.051			0.001			0.360			0.808			0.406			0.265			0.861			0.363
T1	1	7		0	2		1	5		0	8		0	2		0	6		0	8		0	2		0	6
T2	8	8		2	0		6	8		1	15		0	2		1	13		0	16		0	2		0	14
T3	3	1		0	1		3	0		1	3		0	1		1	2		0	4		0	1		0	3
T4	91	27		22	8		69	19		21	97		5	25		16	72		15	103		4	26		11	77
Lymphatic invasion			0.001			0.102			0.002			0.048			0.693			0.046			0.009			0.030			0.074
Yes	24	0		5	0		19	0		7	17		1	4		6	13		6	18		2	3		4	15
No	79	43		19	11		60	32		16	106		4	26		12	80		9	113		2	28		7	85
Venous invasion			0.637			0.324			0.861			0.791			0.137			0.440			0.466			0.601			0.169
Yes	4	1		2	0		2	1		1	4		1	1		0	3		1	4		0	2		1	2
No	99	42		22	11		77	31		22	119		4	29		18	90		14	127		4	29		10	98
Nerve invasion			0.792			0.856			0.679			0.734			1.000			0.669			0.001			0.111			0.001
Yes	15	7		5	2		10	5		4	18		1	6		3	12		7	15		2	5		5	10
No	88	36		19	9		69	27		19	105		4	24		15	81		8	116		2	26		6	90
Esophageal involvement			0.165			0.912			0.108			0.109			0.272			0.205			0.587			0.658			0.691
Yes	25	6		4	2		21	4		2	29		0	6		2	23		4	27		1	5		3	22
No	78	37		20	9		58	28		21	94		5	24		16	70		11	104		3	26		8	78