Table 1.

Correlation between circ‐CCND1 expression and clinicopathological features of patients with LSCC

Parameters	All cases (n = 101)	circ‐CCND1 expression		P value
		Low (n = 51)	High (n = 50)
Gender
Male	54	28	26	.770
Female	47	23	24
Age (years)
≤60	52	25	27	.617
>60	49	26	23
Smoking status
No	44	23	21	.754
Yes	57	28	29
T classification
T1‐T2	63	43	20	.000
T3‐T4	38	8	30
TNM stage
I‐II	59	37	22	.004
III‐IV	42	14	28
Tumour differentiation
Well	32	23	9	.007
Moderate	46	21	25
Poor	23	7	16