Table 2.

Cox proportional hazards regression model analysis of risk factors for poor prognosis of OS in thyroid cancer.

Variables	RR	95% CI	P-value
circ_0067934 expression	4.385	1.087–17.544	0.038
Age	2.660	0.777–9.091	0.119
Lymph node metastasis	2.618	0.759–9.010	0.128

RR – relative risk; 95% CI – 95% confidence interval.