Circular RNA hsa_circ_0007142 Is Upregulated and Targets miR-103a-2-5p in Colorectal Cancer

Table 4

Correlation between hsa_circ_0007142 expression and clinicopathological characteristics of CRC.

Clinical Parameter	Hsa_circ_0007142 ()		Chi-squared test
	High group	Low group	P value
	(≥1, n=33)	(<1, n=17)
Gender			0.623
Male	21	12
Female	12	5
Age (years)			0.209
≤50	6	7
50–70	15	6
> 70	12	4
Tumor size			0.577
≤3 cm	8	5
3–5 cm	17	10
>5 cm	8	2
Differentiation			0.008
Poor	2	6
Moderate	24	11
Well	7	0
Lymphatic metastasis			0.037
Nx&N0	13	12
N1&N2	20	5
Tumor stage			0.136
I–II	19	6
III–IV	14	11
Distant metastasis			0.11
No	33	15
Yes	0	2

P<0.05, P<0.01. ΔCT is the difference between the CT value of hsa_circ_0007142 and of GAPDH.
ΔΔCT is the difference between the ΔCT of CRC tissues and the ΔCT of adjacent normal tissues.