Table 2.

The association between tRF-31-U5YKFN8DYDZDD expression and clinicopathologic parameters in 111 GC specimens.

Parameters	Total	tRf-DZDD expression		P value
		Low (＜median)	High (≥median)
Age				0.504
<60	37	12	25
≥60	74	19	55
Gender				0.518
Male	70	18	52
Female	41	13	28
Differentiation grade				0.527
Well-moderate	49	12	37
Poor-undifferentiation	62	19	43
Tumor size				0.078
<5 cm	70	24	46
≥5 cm	41	7	34
Depth of invasion				0.016*
T1–T2	43	18	25
T3–T4	68	13	55
Lymph node metastasis				0.010*
Negative	46	19	27
Positive	65	12	53
TNM stage				0.003**
I–II	53	22	31
III–IV	58	9	49
Lauren classification				0.907
Intestinal type	32	8	24
Diffuse type	34	10	24
Mixed type	45	13	32
Nerve invasion				0.668
Negative	67	20	47
Positive	44	11	33
Vascular invasion				0.033*
Negative	46	18	28
Positive	65	13	52
C-erbB-2				0.113
Negative	102	26	76
Positive	9	5	4
CEA				0.833
Negative (<5 ng/ml)	48	14	34
Positive (≥5 ng/ml)	63	17	46
CA199				0.385
Negative (<37 U/ml)	71	22	49
Positive (≥37 U/ml)	40	9	31
CA724				0.831
Negative (<10 U/ml)	46	19	46
Positive (≥10 U/ml)	65	12	34

Statistical analyses were performed by the Pearson χ² test.

*P < 0.05, **P < 0.01 was considered significant.