Table 3.

Clinical pathological characteristics.

Characteristics	Total	miR-550a-5p expression		P-value
		High	Low
Gender				1.0
Male	13	12	1
Female	16	15	1
Age (years)			0.483
≥60	14	14	0
<60	15	13	2
Smoker				0.163
Yes	12	10	2
No	17	17	0
Tumor size				0.037*
T1 + T2	6	4	2
T3 + T4	23	23	0

The tumor size was classified by The Union for International Cancer Control (UICC) version 8.

^*P < 0.05.