Table I.

Associations between zinc finger protein 668 expression with clinicopathological features in 167 cases of non-small cell lung carcinoma.

	Overall					Squamous cell carcinoma					Adenocarcinoma
Clinicopathological feature	N	(+)	(−)	χ2	P-value	N	(+)	(−)	χ2	P-value	N	(+)	(−)	χ2	P-value
Age, years				0.021	0.885					0.631				0.128	0.817
<60	80	24	56			34	11	23	0.296		46	13	33
≥60	87	27	60			39	15	24			48	12	36
Sex				1.354	0.295				1.536	0.409				0.002	0.964
Male	107	36	71			66	25	41			41	11	30
Female	60	15	45			7	1	6			53	14	39
Histological type				1.576	0.238
Squamous cell carcinoma	73	26	47
Adenocarcinoma	94	25	69
Differentiation				0.102	0.859				0.000					0.738	0.483
Well	56	18	38			14	5	9		0.993	42	13	29
Moderate +Poor	111	33	78			59	21	38			52	12	40
TNM classification				5.750	0.019				2.321	0.148				3.438	0.101
I+II	88	34	54			39	17	22			49	17	32
III	79	17	62			34	9	25			54	8	37
Lymph node metastasis				9.909	0.002				1.828	0.223				9.823	0.002
Positive	73	13	60			33	9	24			40	4	36
Negative	94	38	56			40	17	23			54	21	33

TNM, tumor-node-metastasis.