Table 1.

Association between circZNF609 expression and clinical features of cutaneous melanoma

			circZNF609 expression
Characteristics		Number of cases	Low(n = 19)	High(n = 18)	P-value(χ2 test)
Gender	Male	23	11	12	0.5824
	Female	14	8	6
Age	< 50	19	10	9	0.8728
	≥50	18	9	9
Tumor location	Upper region	29	16	13	0.376
	Lower region	8	3	5
Pathology stage	T1–3	16	5	11	0.0327
	T4	21	14	7
Breslow depth	< 5 mm	19	6	13	0.0134
	≥5 mm	18	13	5
Ulceration	Yes	15	9	6	0.3848
	No	22	10	12
Distant metastasis	Yes	20	14	6	0.0138
	No	17	5	12