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Characteristics of patients with and without advanced adenoma n (%)
| No advanced adenoma | Advanced adenoma | P value | |
| n = 450 | n = 39 | ||
| Male sex | 185 (41) | 15 (38) | 0.7 |
| Age, median (IQR) | 56 (51-62) | 62 (53-66) | 0.010 |
| Number of polyp, median (range) | 1 (0-5) | 2 (0-8) | 0.0001 |
| Location of polyps1 | < 0.0001 | ||
| Distal | 203 (46) | 9 (29) | |
| Proximal | 169 (39) | 8 (26) | |
| Both | 67 (15) | 14 (45) |
In 11 no advanced adenoma and 8 advanced adenoma location was not defined.
