Mutations identified in CF patients from Estonia
| Mutation | Exon | No of chromosomes |
Frequency (%) | Method | Reference |
| ΔF508 | 10 | 31 | 51.7 | HA | 6 |
| 394delTT | 3 | 8 | 13.3 | HA | 7 |
| 359insT | 3 | 1 | SSCP | 16 | |
| 3659delC | 19 | 1 | SSCP | 17 | |
| E217G | 6a | 1 | DGGE | 18 | |
| H117C | 4 | 1 | SSCP | 19 | |
| I1005R | 17a | 1 | SSCP | 19 | |
| R1066H | 17b | 1 | DGGE | 20 | |
| S1196X | 19 | 1 | DGGE | 21 | |
| S1235R | 19 | 2 | DGGE | 22 | |
| Unidentified | 12 | ||||
| Total | 60 |