Table 1. Correlation between lncRNA-LET expression and clinicopathologic characteristics in NSCLC patients.

Characteristics	n	lncRNA-LET expression		χ2-Value	P-Value
		Low	High
Gender
Male	46	22	24	0.026	0.871
Female	20	10	10
Age
<55	18	8	10	2.802	0.246
55-64	35	15	20
≥65	13	9	4
T status
T1-2	50	20	30	9.504	0.009
T3-4	16	12	4
N status
N0	32	14	18	6.445	0.040
N1/2	34	18	16
Clinical stage
I–II	32	11	21	4.951	0.026
III–IV	34	21	13
Histological grade
Well and moderately	20	6	14	3.926	0.048
Poorly and others	46	26	20
Lymphatic metastasis
Negative	21	3	18	14.422	<0.001
Positive	45	29	16