Table 2.

Univariate and multivariate analysis of predictors of complete and partial remission after empiric 131-I therapy.

	Univariate		Multivariate
	Odds ratio (95% CI)	p-value	Odds ratio (95% CI)	p-value
Age	0.39 (0.14 – 1.06)	0.06
Female gender	0.56 (0.18 – 1.67)	0.06
Histology (papillary)	0.18 (0.06 – 0.58)	0.005
Tg pre-therapy off L-thyroxine therapy	1.0 (0.99 – 1.01)	0.8
Stage (I and II vs. III and IV)	0.41 (0.16 – 1.10)	0.08
ATA risk class (low vs. intermediate and high)	0.70 (0.26 – 1.18)	0.5
Time interval between therapy	1.0 (0.99 – 1.01)	0.7
Administered activity	1.0 (0.99 – 1.01)	0.8
t-WBS (positive)	0.39 (0.15 – 1.02)	0.06
t-WBS (distant metastases)	0.32 (0.17 – 0.62)	<0.001	0.32 (0.17 – 0.62)	<0.001

CI, confidence interval.