. 2018 Mar 22;37:65. doi: 10.1186/s13046-018-0736-0

Table 1.

Relationship between PHF5A expression and clinicopathological parameters of 70 lung adenocarcinoma samples

Variable	n	PHF5A expression		χ² value	p value
Variable	n	low	high	χ² value	p value
Age (years)
< 60	38	13	25	2.100	0.183
≥ 60	32	6	26	2.100	0.183
Gender
Male	36	11	25	0.437	0.596
Female	34	8	26	0.437	0.596
Tumor size (cm)
≤ 3	20	10	10	7.397	0.015^a
> 3	50	9	41	7.397	0.015^a
Histological grade
Low-intermediate	48	15	33	1.303	0.386
High	22	4	18	1.303	0.386
Lymph node metastasis
Negative	26	13	13	10.928	0.002^a
Positive	44	6	38	10.928	0.002^a
TNM stage
I–II	53	19	34	6.650	0.003^a
III–IV	17	0	17	6.650	0.003^a

^aSignificantly different