Table 3.

Multivariate logistical regression analysis on the association between negative scans and BRAF^V600E-like and RAS-like tumors

Model 1b
	BVL tumors (n = 26)		RL tumors (n = 7)
	Odds ratio (95% CI)	P	Odds ratio (95% CI)	P
Univariate analysis	11.4 (1.94-67.3)	.007	0.046 (0.004-0.479)	.01
Multivariate analysisa	19.1 (0.891-410)	.06	0.056 (0.001-1.92)	.11
Model 2 c
	BVL tumors (n = 40)		RL tumors (n = 28)
	Odds ratio (95% CI)	P	Odds ratio (95% CI)	P
Univariate analysis	12.1 (3.76-39.2)	< .001	0.074 (0.022-0.259)	< .001
Multivariate analysisa	19.8 (2.72-144)	.003	0.048 (0.006-0.344)	.004

Abbreviations: BVL, BRAF^V600E like; RL, RAS like.

^a Adjusted for age, sex, race, type of preparation for RAI, presence of bone metastasis, and RAI dose.

^b Model 1: classification of BVL and RL tumors according to mutational data.

^c Model 2: classification of BVL and RL tumors according to available mutational data combined with histology data.