Table 1 Vascular index (VI) of peripheral and central regions of benign and malignant thyroid nodules at different offset levels.
From: Computer-aided assessment of regional vascularity of thyroid nodules for prediction of malignancy
Offset levels | Mean Peripheral VI ± SD(P value) | Mean Central VI ± SD(P value) |
|---|---|---|
5%-Offset | ||
Benign | 21.7 ± 20.3% | 15.2 ± 15.3% |
Malignant | 23.5 ± 19.3% | 23.4 ± 17.7% |
(P > 0.05) | (P < 0.05) | |
10%-Offset | ||
Benign | 21.4 ± 19.6% | 13.5 ± 14.6% |
Malignant | 25.3 ± 18.7% | 23.3 ± 18.0% |
(P > 0.05) | (P < 0.05) | |
15%-Offset | ||
Benign | 20.0 ± 18.4% | 12.4 ± 14.5% |
Malignant | 24.0 ± 16.6% | 22.3 ± 19.3% |
(P > 0.05 | (P < 0.05) | |
20%-Offset | ||
Benign | 18.7 ± 17.1% | 12.0 ± 14.7% |
Malignant | 25.0 ± 17.0% | 21.6 ± 20.1% |
(P > 0.05) | (P < 0.05) | |
21%-Offset | ||
Benign | 18.4 ± 16.9% | 11.9 ± 14.9% |
Malignant | 25.0 ± 17.1% | 21.3 ± 20.1% |
(P > 0.05) | (P < 0.05) | |
22%-Offset | ||
Benign | 18.2 ± 16.7% | 11.9 ± 15.1% |
Malignant | 26.5 ± 16.2% | 21.7 ± 19.6% |
(P < 0.05) | (P < 0.05) | |
23%-Offset | ||
Benign | 17.9 ± 16.5% | 24.9 ± 17.1% |
Malignant | 11.9 ± 15.4% | 20.9 ± 20.3% |
(P < 0.05) | (P > 0.05) | |
24%-Offset | ||
Benign | 17.8 ± 16.4% | 11.9 ± 15.6% |
Malignant | 24.9 ± 17.2% | 20.6 ± 20.1% |
(P < 0.05) | (P > 0.05) | |
25%-Offset | ||
Benign | 17.7 ± 16.3% | 11.9 ± 16.0% |
Malignant | 26.6 ± 18.7% | 20.4 ± 20.1% |
(P < 0.05) | (P > 0.05) | |
