Table 1.

Correlation between expression of circSLC7A11 and miR-330-3p and clinicopathological features in 93 HCC patients

Clinical parameter	circSLC7A11 expression		P value	miR-330-3p expression		P value
	High	Low		High	Low
	n = 47	n = 46		n = 47	n = 46
Age at surgery (years)			0.470			0.574
≥ 60	31	27		28	30
< 60	16	19		19	16
Gender			0.114			0.894
Male	33	25		29	29
Female	14	21		18	17
HBV			0.353			0.078
Yes	27	22		29	20
No	20	24		18	26
HCV			0.725			0.17
Yes	18	16		14	20
No	29	30		33	26
AFP			0.354			0.747
≥ 20 µg/L	28	23		25	26
< 20 µg/L	19	23		22	20
Liver cirrhosis			0.768			0.065
Yes	30	28		25	33
No	17	18		22	13
Tumor size			0.017			0.003
≥ 5 cm	29	17		16	30
< 5 cm	18	29		31	16
Tumor number			0.415			0.022
Single	30	33		37	26
Multiple	17	13		10	20
Microvascular invasion			0.009			0.049
Yes	27	14		16	25
No	20	32		31	21
TNM stage			0.005			0.027
I–II	14	27		26	15
III–IV	33	19		21	31

*Statistical analyses by Pearson’s χ2 test or Fisher’s exact test