Table 1.

Plasma levels of exo-hsa_circRNA_0056616 and clinicopathological features of the cohort examined.

Clinicopathological features	n	Exo-hsa_circRNA_0056616
		M (P25, P75)	P-value
Gender
Male	44	0.569 (0.254, 1.102)	0.765
Female	46	0.370 (0.218, 1.237)
Age
< 60.5 y	45	0.467 (0.168, 1.344)	0.869
≥ 60.5 y	45	0.394 (0.274, 0.846)
T stage
T1 / T2	61	0.658 (0.309, 1.476)	0.002
T3 / T4	27	0.282 (0.156, 0.547)
M stage
M0	65	0.658 (0.306, 1.344)	0.004
M1	25	0.288 (0.165, 0.515)
TNM classification
I-II	50	0.830 (0.325, 1.730)	0.001
III-IV	37	0.287 (0.164, 0.380)
Tumor size*
(Maximum diameter of tumor)	33	0.884 (0.423, 1.476)	0.122
< 2.40 cm	33	0.347 (0.283, 1.243)
Anatomical classification
Central		0.438 (0.161, 1.132)	0.205
Surrounding		0.672 (0.309, 1.385)

M: median; P₂₅: 1st quartile (Q1); P₇₅: 3rd quartile (Q3).