Results of immunohistochemistry analysis for mutations in MLH1, MSH2, MSH6 and PMS2
| Patient no. | MLH1 | MSH2 | MSH6 | PMS2 | MMR mutation |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | |
| 2 | 0 | 1 | 1 | 0 | Mutation of uncertain significance |
| 3 | 1 | 1 | 1 | 1 | No |
| 4 | 1 | 1 | 1 | 1 | No |
| 5 | 1 | 1 | 1 | 1 | No |
| 6 | 1 | 1 | 1 | 1 | No |
| 7 | 0 | 1 | 1 | 0 | Yes |
| 8 | 1 | 1 | 1 | 1 | No |
| 9 | 1 | 1 | 1 | 1 | No |
| 10 | 0 | 1 | 1 | 0 | Not accessed |
| 11 | 1 | 1 | 1 | 1 | No |
| 12 | 1 | 1 | 1 | 1 | No |
| 13 | 1 | 1 | 1 | 1 | No |
| 14 | 1 | 1 | 1 | 1 | No |
| 15 | 1 | 1 | 1 | 1 | No |
| 16 | 1 | 1 | 1 | 1 | No |
| 17 | 1 | 0 | 0 | 1 | Yes |
| 18 | 1 | 1 | 1 | 1 | No |
| 19 | 1 | 1 | 1 | 1 | No |
| 20 | 1 | 1 | 1 | 1 | No |
| 21 | 1 | 1 | 1 | 1 | No |
| 22 | 0 | 1 | 1 | 0 | Not accessed |
| 23 | 1 | 1 | 1 | 1 | No |
0 = deficient; 1 = intact; MMR = mismatch repair.