Summary of previous prevalence studies of hereditary haemorrhagic telangiectasia
| Year of study | Year of estimate | Authors | Study setting and methodology | Study size | Prevalence rate (per 10 000) | Prevalence rate |
|---|---|---|---|---|---|---|
| 2013 | 2010 | Donaldson et al (present study) | UK primary care database | 365 | 1.06 | 1/9400 |
| 2013 | 2005–2010 | Grosse et al20 | US health insurance database | 1203 | 0.3 | 1/33 000 |
| 2003 | 1998 | Westermann et al15 | Screening extended pedigree of previously identified cases in Antilles, The Netherlands | 112 | 7.51 | 1/1300 |
| 2002 | 2002 | Dakeishi et al14 | Screening extended pedigree of cases referred to tertiary centre in Akita prefecture, northern Japan | 23 | 1.25 | 1/8000 |
| 1999 | 1995 | Kjeldsen et al6 | Regional patient database, Fyne county, Denmark | 73 | 1.56 | 1/6400 |
| 1995 | 1994 | Guttmacher et al33 | Postal questionnaire of identified cases in Vermont, USA | 34 | 0.61 | 1/16 400 |
| 1992 | 1991 | Jessurun and Nossent34 | Study of cases hospitalised to one centre in Leeward Islands, Antilles, The Netherlands | 32 | 1.94 | 1/5200 |
| 1992 | 1990 | Porteous et al13 | Postal questionnaire study of cases in Newcastle, ‘Northern Region’, UK | 79 | 0.25 | 1/40 000 |
| 1989 | 1989 | Bideau et al29 | Postal questionnaire study of cases identified by physicians in France (52 departments) | 406 | 1.20 | 1/8300 |
| 1984 | 1983 | Plauchu and Bideau31 | Postal questionnaire study of cases identified by physicians in Ain department, France | 150 | 4.25 | 1/2400 |