Table 3.

Logistic regression analysis of risk factors for RAIT failure.

Variable	B	P	OR	95% CI for OR
Constant	−2.046	0.001	0.129
The number of LLN metastases	0.196	0.001	1.217	1.091	1.357
Tg level before RAIT	0.103	0.001	1.108	1.045	1.176

LLN, lateral neck lymph node; RAIT, radioactive iodine therapy; Tg, thyroglobulin.