Table 1. The relationship between DDX51 expression and clinicopathological factors in lung cancer.

Characteristics	DDX51 expression		P value
	Low	High
Age (years)
≤60	35	7	0.14
>60	22	10
Loss	0	1
Tumour size
≤3.5 cm	29	10	0.729
>3.5 cm	28	8
Loss	0	0
Gender
Male	31	8	0.462
Female	26	10
Loss	0	0
Pathological grade
I	7	3	0.139
II	29	13
III	20	2
Loss	1	0
T stage
T1, T2	47	16	0.516
T3, T4	10	2
Loss	0	0
N stage
Nx, N0	38	13	0.66
N1, N2, N3	19	5
Loss	0	0
M stage
M0	53	18	0.316
M1	3	0
Loss	1	0
TNM stage
TNM1, TNM2	36	10	0.951
TNM3, TNM4	15	4
Loss	6	4