Table II.

Association between the clinicopathological characteristics and the expression level of SPOP in lung cancer tissues.

		SPOP expression
Characteristic	N	Low	High	P-value
Sex				0.266
Male	94	82	12
Female	63	50	13
Age				0.266
≤60	94	50	13
>60	63	82	12
Histologic type				0.003a
Adenocarcinoma	115	91	24
Squamous cell carcinoma	42	41	1
Tumor differentiation				0.046a
Well	29	21	8
Moderate	100	84	16
Poor	28	27	1
Tumor size				0.0036a
T1	83	69	14
T2	62	56	6
T3	7	4	3
T4	5	2	3
Lymph node metastasis				0.041a
Absent	104	83	21
Present	53	49	4
Lung cancer stages				0.046a
1	29	21	8
2	100	84	16
3	28	27	1

^aStatistically significant. SPOP, speckle-type POZ domain protein.