Table 2.

Correlations of circUBAP2 with clinical characteristics in osteosarcoma patients

Clinical parameters	Cases	circUBAP2 expression		P value
		Low (n = 20)	High (n = 20)
Gender				0.751
Male	22	10	12
Female	18	10	8
Age (years)				0.748
<18	24	13	11
≥18	16	7	9
Location				0.343
Femur 20 12 8
Other 20 8 12
Tumor size (cm)				0.461
<8	22	15	7
≥8	18	5	13
TNM stage				0.048*
I–II	15	11	4
III	25	9	16
Distant metastasis				0.010*
No	19	14	5
Yes	21	6	15

*P < 0.05.