Table II.

Multivariate logistic regression analysis of ultrasonographic features associated with B-Raf proto-oncogene serine/threonine kinase gene mutation.

Factors	OR	95% CI	P-value
Aspect ratio	0.612	0.179–2.094	0.434
Microcalcification	2.256	1.160–5.500	0.020
Nodule size following enhancement	2.119	1.039–4.321	0.039
Enhancement mode	1.913	0.717–5.099	0.195
Enhancement time	1.752	0.592–5.184	0.311

OR, odds ratio; CI, confidence interval.