Prediction of lymph node metastasis in early gastric signet-ring cell carcinoma: A real-world retrospective cohort study

Table 7 Logistic regression analysis of the risk factors of lymph node metastasis in signet-ring cell carcinoma limited in mucosal

	LNM		Univariate	Multivariate analysis
	Present	Absent	P value	OR	95%CI	P value
Total	20	129
Age			0.195
≤ 65	10	80
> 65	10	49
Gender			0.306
Male	9	77
Female	11	52
Tumor size (cm)			0.123
≤ 2	8	78
> 2	12	51
Macroscopic type			0.209
Protruded (0-I)	0	2
Elevated (0-IIa)	0	7
Flat (0-IIb)	4	27
Depressed (0-IIc)	15	91
Excavated (0-III)	1	2
LVI			0.016
Absence	18	129
Presence	2	0
Perineural invasion			-
Absence	20	129
Presence	0	0
Location			0.688
Cardia	1	6
Fundus	0	3
Body	3	23
Antrum	11	66
Angle	5	31
Ulceration			1
UL (-)	15	101
UL (+)	3	28
Histological type			0.01
Pure SRCC	3	66		1
Mixed SRCC	17	63		4.557	1.235-16.820	0.023

SRCC: Signet-ring cell carcinoma; LNM: Lymph node metastasis; LVI: Lymphovascular invasion; UL (-): Ulcer or ulcer scar is absent; UL (+): Ulcer or ulcer scar is present.