Decreased RIG-I expression is associated with poor prognosis and promotes cell invasion in human gastric cancer

Table 1 Correlation between RIG-I expression in gastric cancer tissues and patients’ clinical parameters

Clinical parameters	Cases	RIG-I expression level		χ ²	P
Clinical parameters	Cases	High (H-score ≥ 45)	Low (H-score < 45)	χ ²	P
Gender				0.243	0.622
Male	53	38	15
Female	30	23	7
Age (years)				0.377	0.539
≥ 60	56	40	16
< 60	27	21	6
Tumor size (cm)				0.683	0.409
≥ 5	41	31	10
< 5	41	34	7
Pathological stage				4.668	0.031
I + II	17	16	1
III + IV	66	45	21
Tumor stage				0.5901	0.442
T1 + T2	12	10	2
T3 + T4	70	51	19
Lymph node metastasis				0.326	0.568
Yes	65	49	16
No	19	17	2
Distant metastasis				0.881	0.348
Yes	10	9	1
No	74	57	17
TNM stage				0.561	0.454
I + II	33	26	7
III + IV	49	35	14

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