Table 1 Patient demographics and clinical features

Total patients included

24

Demographics

Mean age at Moyamoya diagnosis (range)

36.0 (1–58)

Female, no. (%)

17 (70.8)

Ethnicity, no. (%)

Caucasian

18 (75.0)

Asian

2 (8.3)

African American

2 (8.3)

Other

2 (8.3)

Vascular comorbidities, no. (%)

Hypertension

9 (37.5)

Hyperlipidemia

11 (45.8)

Diabetes mellitus

4 (16.7)

Coronary artery disease

0 (0.0)

Ever smoker

9 (37.5)

Presentation (%)

Ischemia

22 (91.7)

Hemorrhage

1 (4.2)

Other

1 (4.2)

Mean time from diagnosis to VWI in mo. (range)

23.4 (0–202)