Table 2.

Univariate and multivariate Cox analyses in ATC patients with distant metastases.

	Univariate analysis			Multivariate analysis
	OR	95%CI	P	OR	95%CI	P
Age	1.019	1.007-1.031	0.001*	1.013	1.001-1.025	0.031*
Sex
Female	Reference
Male	1.133	0.858-1.496	0.381
Race
White	Reference
Black	1.028	0.582-1.816	0.924
Other	1.131	0.766-1.671	0.535
T stage
T3a	Reference
T3b	0.347	0.101-1.185	0.091
T4a	0.660	0.297-1.466	0.307
T4b	0.885	0.415-1.891	0.753
N stage
N0	Reference
N1a	0.705	0.439-1.132	0.148
N1b	1.334	0.983-1.810	0.064
Surgery
No	Reference
Lobectomy/Isthmectomy excision	0.567	0.382-0.841	0.005*	0.664	0.445-0.993	0.046*
Subtotal/total thyroidectomy	0.517	0.375-0.712	<0.001*	0.624	0.448-0.869	0.005*
Chemotherapy
No	Reference
Yes	0.557	0.422-0.735	<0.001*	0.622	0.469-0.826	0.001*
Radiotherapy
No	Reference
Yes	0.619	0.465-0.823	<0.001*	0.739	0.550-0.994	0.045*
Tumor size, mm	1.012	1.007-1.018	<0.001*	1.011	1.006-1.017	<0.001*

* p<0.05, statistically significant.