Table 1. Association between miR-499a-5p expression and clinicopathologic characteristics of PC patients in the study cohort.

Characteristics	No. of patients		P valuea
	Low (n=23)	High (n=22)
Gender			0.903
Female	9	9
Male	14	13
Age (years)			0.445
<60	5	7
≥60	18	15
Tumor location			0.626
Rectum	10	8
Colon	13	14
Differentiation grade			0.815
Well + moderate	16	16
Poor	7	6
Tumor size (cm)			0.047*
<5	13	6
≥5	10	16
Local invasion			0.372
pT1-T2	15	17
pT3-pT4	8	5
Lymph node metastasis			0.048*
Negative	18	11
Positive	5	11
TNM stage			0.003*
I + II	14	4
III	9	18

^a, Pearson chi-square test was used for comparison between subgroups; *, statistical significance.