Table I.

Association between miR-133a expression and their clinicopathological characteristics in NSCLC patients.

		miR-133a				YES1
Characteristics	Cases	High	Low	P-value	Cases	High	Low	P-value
Age (years)				0.256				0.325
≥60	30	12	18		31	22	9
<60	22	5	17		21	16	5
Sex				0.235				0.301
Male	32	9	23		33	24	9
Female	20	8	12		19	14	5
Tumor size (mm)				0.082				0.073
≤3	35	9	26		36	28	8
>3	17	8	9		16	10	6
Lymph nodes metastasis				0.048a				0.032a
Yes	12	5	7		11	5	6
No	40	12	28		41	33	8
Tumor stage				0.045a				0.033a
I–II	41	11	30		39	31	8
III–IV	11	6	5		13	7	6

Statistical analyses were performed by the χ² test.

^aP<0.05, indicates significant difference. miR-133a, microRNA-133a; NSCLC, non-small cell lung cancer.