Poly(A)-specific ribonuclease protein promotes the proliferation, invasion and migration of esophageal cancer cells

Table 3 Relationship between poly(A)-specific ribonuclease expression and tumor characteristics in patients with esophageal cancer

Features	No. of patients	PARN expression		P value
		Low	High
All patients	91	48	43
Age (yr)				0.758
< 65	45	23	22
≥ 65	46	25	21
Gender				0.433
Male	73	40	33
Female	18	8	10
Tumor size				0.110
≤ 5 cm	46	28	18
> 5 cm	35	15	20
T Infiltrate				0.680
T0	1	1	0
T1	3	1	2
T2	15	8	7
T3	39	22	17
T4	10	4	6
Lymphatic metastasis (n)				0.028a
N0	31	20	11
N1	18	10	8
N2	11	4	7
N3	8	2	6
Stage				0.336
I	3	2	1
II	30	18	12
III	33	14	19
IV	2	2	0
Lymphoid positive number				0.164
< 1	43	26	17
≥ 1	46	21	25
Grade				0.516
I	7	4	3
II	49	25	24
III	26	16	10

^aP < 0.05.

The high expression group: Poly(A)-specific ribonuclease immunohistochemistry scores > 6; the low expression group: Poly(A)-specific ribonuclease immunohistochemistry scores ≤ 6. PARN: Poly(A)-specific ribonuclease.