Relationship between clinicopathologic factors and FDG avidity in radioiodine-negative recurrent or metastatic differentiated thyroid carcinoma

Table 3 Logistic regression analysis for the assessment of association between various factors and SUVmax

Factors	n	Relative risk (95% of CI)	P-value
Histopathologic type
Classic type	45	1.153 (1.048–1.269)	0.04*
Aggressive type	18	1.153 (1.048–1.269)	0.04*
Mutation
BRAF^V600E (+)	55	1.080 (0.924–1.263)	0.331
BRAF^V600E (−)	8	1.080 (0.924–1.263)	0.331
Tg (ng/ml)
< 250	30	1.066 (0.983–1.157)	0.122
> 250	33	1.066 (0.983–1.157)	0.122
Lesion size
5–10 mm	38	1.227 (1.084–1.389)	0.001*
> 10 mm	25	1.227 (1.084–1.389)	0.001*
Recurrence/ metastases
Local recurrence	14	0.95 (0.836–1.022)	0.125
Without local recurrence	46	0.95 (0.836–1.022)	0.125
Lymph node metastases	59	0.923 (0.835–1.020)	0.116
Without lymph node metastases	4	0.923 (0.835–1.020)	0.116
Distant metastases	9	0.872 (0.793–0.957)	0.004*
Without distant metastases	54	0.872 (0.793–0.957)	0.004*

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