Table 1.

Correlation between KCNQ1OT1 expression and clinical characters in 60 patients with NSCLC

Characteristic	Case number	KCNQ1OT1	expression	P value
		High	Low
Age				0.7892
≥ 60	38	18	20
< 60	22	12	10
Gender				0.6042
Man	33	18	15
Woman	27	12	15
Smoking				0.4118
Yes	40	22	18
No	20	8	12
Histology				0.2949
Adenocarcinoma	35	20	15
Squamous carcinoma	25	10	15
Stage				0.0379
I + II	31	11	20
III + IV	29	19	10
Lymph node metastasis				0.0127
Positive	40	25	15
Negative	20	5	15