Table 2.

Association between miR-93 expression and clinicopathological factors in patients with HNSCC

Factors	Number	MiR-93 expression		χ 2	P value
		High	Low
Age
<58	47	15	32	0.603	0.437
≥58	56	22	34
Gender
Male	99	36	63	0.000	1.000
Female	4	1	3
Tumour grade
G1 + G2	37	17	20	2.520	0.112
G3	66	20	46
Tumour site
Glottic	57	21	36	0.047	0.829
Others	46	16	30
T classification
T1 + T2	52	10	42	12.711	<0.001*
T3 + T4	51	27	24
Lymph node involvement
Positive	39	22	17	11.446	0.001*
Negative	64	15	49
Clinical stage
I + II	41	7	34	10.513	0.001*
III + IV	62	30	32

P values were determined by the χ ² test

*P ≤ 0.05 was considered to be statistically significant