| Polyp | Total | Women | Men | Right colon | Left colon | Mean age,years | Mutant,n (%) | Wild-type,n (%) | Not assessable,n (%) |
| Sessile serrated adenoma | 49 | 29 | 20 | 44 | 5 | 66 | 44 (90) | 1 (2) | 4 (8) |
| Traditional serrated adenomas | 11 | 7 | 4 | 4 | 7 | 71 | 4 (36) | 6 (55) | 1 (9) |
| Mixed hyperplastic adenomatous polyp | 10 | 6 | 4 | 7 | 3 | 68 | 10 (100) | 0 | 0 |
| Non-serrated adenoma | 42 | 20 | 22 | 24 | 18 | 64 | 2 (5) | 38 (90) | 2 (5) |
| Microvesicular hyperplastic polyp | 34 | 24 | 10 | 25 | 9 | 62 | 10 (29) | 20 (59) | 4 (12) |
| Goblet cell hyperplastic polyp | 2 | 1 | 1 | 0 | 2 | 57 | 0 | 2 (100) | 0 |
| Total | 148 | 87 | 61 | 104 | 44 | – | – | – | – |