Summary of 55 children with a potential hereditary haemorrhagic telangiectasia diagnosis who were asymptomatic for visceral arteriovenous malformations at their first assessment
| Female sex | 25 (45) |
| Positive family history | 34 (62) |
| Negative or unknown family genetics | 46 (84) |
| Telangiectasia | 26 (47) |
| Epistaxis | 19 (34) |
| Diagnostic criteria | |
| Two | 24 (44) |
| One | 31 (56) |
Data are presented as n (%).