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IGF-1 levels in each group based on the result of fine-needle aspiration biopsy (mean ± SD).
| Group | No. | IGF-1 level (ng/ml) |
|---|---|---|
| 0 | 18 | 200.33±126.51 |
| P | 2 | 308.75±55.96 |
| A | 13 | 264.03±118.97 |
| G | 6 | 109.09±50.57 |
Group 0, control group; group P, patients with papillary carcinoma; group A, patients with thyroid adenoma; group G, patients with thyroid goiter; IGF-1, insulin-like growth factor-1.
