Table 1.

The comparison of nodule volume (NV) and vascular indices between benign and malignant thyroid nodules.

	Benign	Malignant	P-value
NV ( cm3)	4.2 ± 0.1	4.1 ± 0.9	0.94
VI	11.61 ± 6.88	18.64 ± 12.81	0.015
FI	39.75 ± 3.93	41.82 ± 4.43	0.039
VFI	4.82 ± 2.94	8.17 ± 6.37	0.018

Values are given as mean values ± SD; P: significance level for all pairs