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Rate of thyroid nodule malignancy according to size (every 1 cm increment).
| TN size (cm) | Nodules (n) | Malignant, n (%) |
| 1.0–1.9 | 90 | 17 (18.9) |
| 2.0–2.9 | 131 | 23 (17.6) |
| 3.0–3.9 | 136 | 27 (19.9) |
| 4.0–4.9 | 73 | 15 (20.5) |
| ≥ 5.0 | 73 | 16 (21.9) |
| All nodules | 503 | 98 (19.5) |
