Table 3

- Odds ratios (95% confidence interval) for predictors of incomplete response (reference value of excellent and indeterminate responses).

Variables	Univariable		Multivariable
Variables	OR (95% CI)	P-values	OR (95% CI)	P-values
Age >55 years	4.5 (2.2-9.4)	<0.0001^*	5.0 (1.9-13.0)	0.001^*
Gender (male)	2.3 (1.2-4.4)	0.01^*	1.3 (0.6-3.2)	0.51
Pathology (others vs papillary)	0.9 (0.3-3.1)	0.94	-	-
Lymph node metastasis	3.8 (2.0-7.1)	<0.0001^*	3.4 (1.4-8.6)	0.01^*
Distant metastasis	24.8 (6.9-89.0)	<0.0001^*	29.0 (6.9-122.6)	<0.0001^*
Vascular invasion	3.4 (1.7-6.7)	0.001^*	1.8 (0.8-4.4)	0.18
Extrathyroidal extension	6.7 (3.1-14.7)	<0.0001^*	1.8 (0.6-5.0)	0.29
Multifocality	2.5 (1.3-4.9)	0.006^*	1.8 (0.7-4.3)	0.20
Tumor size >2.3 cm (median)	2.1 (1.1, 4.1)	0.03^*	1.6 (0.6, 3.9)	0.31
Received radioactive iodine	1.5 (0.7-3.2)	0.35	-	-

Values are presented as odds ratios (OR) and (95% confidence interval [CI]).