Table 1 Demographic Information of Participants with PWS who completed the Global PWS Registry Vision Survey
Characteristics | Study Participants (n = 908) n (%) |
|---|---|
Sex | |
Female | 462 (50.9) |
Male | 446 (49.1) |
Missing | 3 (0.3) |
Mean age at survey completion (years), ±SD | 14.5 ± 11.5 |
Age range (years) | 0–62 |
Genetic Subtype | |
Deletion | 422 (49.3) |
Uniparental Disomy (UPD) | 296 (34.6) |
Imprinting Defect (ID) | 25 (2.9) |
Translocation | 9 (1.1) |
Other | 15 (1.8) |
Don’t Know | 89 (10.4) |
Missing | 52 (5.7) |
Country of Residence | |
United States | 744 (81.9) |
Canada | 77 (8.5) |
Australia/New Zealand | 40 (4.4) |
Other (24 additional countries) | 46 (5.1) |
Missing | 1 (0.1) |