Table I.

Clinicopathological parameters of patients with renal cell carcinoma recruited in the current study.

		hsa_circ_400068 expression
Parameters	Total number of cases	Low	High	P-value
Sex				0.392
Male	16	7	9
Female	12	7	5
Age, years				0.411
>60	18	8	10
≤60	10	6	4
Tumor size, cm				0.409
>5	14	6	8
≤5	14	8	6
Histology gradea				0.456
I–II	17	9	8
III–IV	11	5	6

Differences among variables were analyzed using Fisher's exact test.

^aThe Fuhrman grading system was used. circRNA, circular RNA.