Table 3.
Visual evoked potentials data per syndrome.
| Diagnosis | Apert | Crouzon | Pfeiffer | Saethre-Chotzen | All |
|---|---|---|---|---|---|
| Proportion who underwent VEP testing (%) | 52/57 (91%) | 57/60 (95%) | 7/14 (50%) | 29/34 (85%) | 145/165 (88%) |
| Proportion with normal bilateral pathway function (%) | 9/52 (17%) | 30/57 (53%) | 4/7 (57%) | 20/29 (69%) | 63/145 (43%) |
| Bilateral pathway dysfunction (%) | 43/52 (83%) | 27/57 (47%) | 3/7 (43%) | 9/29 (31%) | 82/145 (57%) |
| Bilateral pathway dysfunction with poor vision levels (%) | 23/43 (54%) | 5/27 (19%) | 3/3 (100%) | 1/9 (11%) | 32/82 (39%) |
| Bilateral pathway dysfunction with good vision levels likely under high contrast (%) | 20/43 (46%) | 22/27 (81%) | 0/3 (0%) | 8/9 (89%) | 50/82 (61%) |
| Evidence of VEP deterioration (%) | 6/52 (12%) | 6/57 (11%) | 0/7 (0%) | 0/29 (0%) | 10/145 7% |
VEP visual evoked potentials.