Table 4.

Multivariate Regression for Disease Recurrence

Variablea	HR	95% CI	p
Age	1.00	[0.20–1.65]	0.69
Female sex	0.58	[0.98–1.04]	0.31
Lymph node metastases	10.45	[2.88–37.97]	<0.01
Tumor size	1.26	[0.93–1.70]	0.14
Extrathyroidal extension	0.60	[0.15–2.41]	0.47
% Uptake (UDR)	3.71	[1.05–13.10]	0.04
Positive margins	2.58	[0.56–11.95]	0.23
Lymphovascular invasion	1.36	[0.26–7.02]	0.71
Multifocality	3.12	[0.91–10.67]	0.07

^aStatistically significant variables are in bold print.

OR, odds ratio; CI, confidence interval.