Variable | All (%) N = 208 | Bethesda Categories (%) | |||||
---|---|---|---|---|---|---|---|
I (non-dx) N = 56 | II (benign) N = 115 | III (AUS/FLUS) N = 11 | IV (FN/SFN) N = 6 | V (SFM) N = 5 | IV (malignant) N = 15 | ||
Age | |||||||
Mean | 54.8 | 55.6 | 54.2 | 51.2 | 67.3 | 52.8 | 55.5 |
< 45 | 22.1 | 19.6 | 24.3 | 27.2 | 16.7 | 0 | 20.0 |
> 45 | 77.9 | 81.8 | 75.6 | 72.3 | 83.3 | 100.0 | 80.0 |
Sex (female) | 67.8 | 23.6 | 46.2 | 81.8 | 50.0 | 80.0 | 66.7 |
Nodule size | |||||||
1.0–3.9 cm | 90.4 | 100 | 86.1 | 100 | 66.7 | 100 | 86.7 |
≥4.0 cm | 9.6 | 0 | 13.9 | 0 | 33.3 | 0 | 13.3 |
Sonographic Risk Features | |||||||
High | 11.3 | 3.8 | 8.4 | 11.1 | 0 | 40.0 | 61.5 |
Intermediate | 25.2 | 19.2 | 28.4 | 44.4 | 16.7 | 40.0 | 7.7 |
Low | 39.7 | 48.1 | 38.5 | 22.2 | 83.3 | 0 | 23.1 |
Very low | 18.0 | 21.2 | 18.3 | 22.2 | 0 | 20.0 | 7.7 |
Benign | 5.6 | 7.7 | 6.4 | 0 | 0 | 0 | 0 |
Surgery Performed (%) | 92 (44.2) | 22 (39.2) | 34 (29.6) | 11 (100) | 6 (100) | 4 (80) | 15 (100) |