Table 1 of Ernest, Mol Vis 2009; 15:2841-2847.


Table 1. Occurrence of different typical clinical features of Stargardt disease in patients stratified by the number of discovered ABCA4 mutations.


Clinical features
0
mutations
1
mutation
2–3
mutations
Total of
patients1
Number of patients 7 12 25 44
Age at onset <25 years 2/7 (29%) 8/12 (67%) 20/25 (80%) 44
Fundus appearance I or II2 5/7 (71%) 9/12 (75%) 20/25 (80%) 44
Dark choroid at FA 3/7 (43%) 4/10 (40%) 17/21 (81%) 38
Normal scotopic ERG 5/6 (83%) 7/7 (100%) 14/16 (88%) 29
Typical Stargardt3 1/6 (17%) 1/7 (14%) 4/13 (31%) 26