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Malignancy ratios of thyroid nodules diagnosed in Bethesda III and IV classes following the resection.
| Benign N (%) | Malignant N (%) | Total | P value | |
|---|---|---|---|---|
| Bethesda III | 81 (75.0) | 27 (25.0) | 108 | 0.67a |
| AUS | 46 (78.0) | 13 (22.0) | 59 | |
| FLUS | 35 (71.4) | 14 (28.6) | 49 | |
| Bethesda IV | 34 (72.3) | 13 (27.6) | 47 |
AUS Atypia of undetermined significance
FLUS Follicular lesion of undetermined significance
aChi-square Test compared Bethesda III and IV groups
