Table 2.

Multivariate analysis of 5-year overall and disease-free survival in patients with PTC

Parameters	Overall survival			Disease-free survival
	HR	95% CI	P	HR	95% CI	P
TNM stage (III-IV vs. I-II)	4.358	1.747-7.532	0.008	4.587	1.823-7.930	0.005
Serum miR-26a (Low vs. High)	2.528	1.128-4.068	0.026	2.810	1.275-4.328	0.021