Table 1. Relationship between the expression level of PHF14 and clinicopathological features of lung cancer.

Variable	PHF14 expression (IRS)					Pa 8< score≤16 vs 1≤score≤8	Pa 12< score≤16 vs 1≤score≤12
	total	1≤score≤4	5≤score≤8	9≤score≤12	13≤score≤16
		(−)	(+)	(++)	(+++)
Sex
male	43	3	7	17	16
female	28	1	2	10	15	0.22	0.22
Age
≤60	33	2	4	12	15
>60	38	2	5	15	16	1	0.81
TNM stage
I-II	53	2	6	22	23
III	18	2	3	5	8	0.29	1
Pathological
Non ADC	31	3	6	15	7
ADC	40	1	3	12	24	0.06	P< 0.01
Metastasis
positive	32	1	5	12	14
negative	39	3	4	15	17	1	1
Tumor size
≤3	47	3	5	21	18
>3	24	1	4	6	13	0.75	0.22

Abbreviations: ADC, adenocarcinoma.

^a Calculated by fisher's exact test.