Routes of confirmation
| Route of confirmation | Percentage confirmed by that route |
|---|---|
| Referral letter | 23.8% |
| Cancer registry | 23.8% |
| Histology | 18.6% |
| Other genetics department | 10.7% |
| Medical records | 10.5% |
| Death certificate | 9.8% |
| Route of confirmation unclear | 2.8% |