Table I.

Association between miR-122-5p expression levels and clinicopathological characteristics of patients with papillary thyroid carcinoma.

		miR-122-5p expression
Characteristics	Cases	Low	High	P-value
Total	45	23	22
Sex				0.5589
Male	12	7	5
Female	33	16	17
Age, years				0.3666
≥65	20	13	7
<65	25	12	13
CDFI classification grade				0.0080a
I	28	10	18
II–III	17	13	4
Degree of invasion				0.0018a
Intrathyroid	22	6	16
Extrathyroid	23	17	6
PTC diameter, cm				0.0001a
≥3.0	27	21	6
<3.0	18	2	16
Pathological stage (T)				0.0027a
T2	24	7	17
T3-T4	21	16	5
Pathological stage (N)				0.0305a
N0	32	12	20
N1	13	11	2
Outcome				0.2150
Persistent/recurrent	2	2	0
Death	1	1	0
Cured	42	20	22

miR-122-5p median expression level was used as the cut-off. P-values were acquired using Pearson's chi-square test.

^aP<0.05 miR, microRNA; PTC, papillary thyroid carcinoma.