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Information on histology types of all removed lesions at colonoscopy
| All FOBT-positive subjects | I-FOBT 50 ng/ml (248 participants) | G-FOBT (54 participants) | |
| Carcinoma | 22 | 14 | 8 |
| Adenoma | 574 | 473 | 101 |
| Hyperplastic polyp | 207 | 182 | 25 |
| Hamartoma | 1 | 1 | 0 |
| Inflammatory polyp | 4 | 4 | 0 |
| Lipoma | 3 | 3 | 0 |
FOBT, faecal occult blood test; G-FOBT, guaiac FOBT; I-FOBT, immunochemical FOBT.
