Table 1 Demographic description of the study population

N

565

Age, mean (SD)

56.1 (13.6)

Sex

N (%)

Male

155 (27.4)

Female

410 (72.6)

Race

White

529 (93.6)

Asian

11 (1.9)

Black or African American

9 (1.6)

American Indian or Alaska Native

5 (0.9)

Native Hawaiian or Other Pacific Island

1 (0.2)

Other

10(1.8)

Ethnicity

Hispanic, Latino, or of Spanish origin

44 (7.8)

Non- Hispanic, Latino, or of Spanish origin

516 (91.3)

Missing

5 (0.9)

Geographic region

North America

325 (57.5)

South America

8 (1.4)

Europe

51 (9.0)

Asia

7 (1.2)

Oceania

17 (3.0)

Africa

1(0.2)

Missing

163 (28.8)

Patients with known genetic mutations associated with HHT

376 (66.5)