X-ray irradiation induced Disabled-2 gene promoter de-methylation enhances radiosensitivity of non-small-cell lung carcinoma cells

Table 1 Correlations between Dab2 expression and lung cancer clinicopathological characteristics

	Quantity	Dab2 expression		χ²value	P value
		low	high
Age
<61	67	47	20	0.0271031	0.8692
≥ 61	70	50	20
Gender
Male	77	56	21	0.314948	0.5747
Female	60	41	19
Histologic
SCC	63	46	17	0.276302	0.5991
Adenocarcinoma	74	51	23
Differentiation
Well	30	8	22	36.7732	< 0.0001*
Moderate	67	54	13	36.7732	< 0.0001*
Poor	40	35	5
TNM stage
I	57	32	25	10.1682	0.006194*
II	52	42	10
III	28	23	5
Lymph node metastasis
Yes	65	57	8	17.0663	0.00004*
No	72	40	32

ISSN: 1756-9966