Table 1.

Clinicopathologic associations of GAS5 expression in lung adenocarcinoma

Clinical parameters	No. of cases	Relative GAS5 expression
		Low	High	P valuea
Age				0.500
>60 years	39	19	20
≤60 years	33	17	16
Gender				0.479
Male	37	20	17
Female	35	16	19
Smoking				0.151
Non-smoker	42	18	24
Smoker	30	18	12
Differentiation				0.03**
Well	26	14	12
Moderate-Poor	46	36	10
Maximum diameter				0.03**
<3 cm	26	14	12
≥3 cm	46	36	10
Lymphatic metastasis				0.131
Absent	41	27	14
Present	31	25	6
Distal metastasis				1.000
M0	68	34	34
M1	4	2	2
TNM stage				0.047**
I–II	51	32	19
III–IV	21	18	3
CEA				0.583
Positive	34	16	18
Negative	38	18	20
CA19-9				0.500
Positive	39	19	20
Negative	33	17	16
CA125				0.577
Positive	29	16	13
Negative	43	29	24

^aChi-squared test. **P < 0.05.