Table 3.
Rate of parental consanguineous marriage by cause of visual impairment
| Number of patients (%) | Nystagmus | Stargardt’s macular dystrophy | Optic tract and nerve diseases | ROP | Retinitis pigmentosa | AMD | DRP | Other | Total |
|---|---|---|---|---|---|---|---|---|---|
| Positive | 20(32.3%) | 18(29%) | 8(12.9%) | 2(3.1%) | 8(12.9%) | 0 | 0 | 6 | 62 |
| Negative | 38(21.8%) | 26(14.9%) | 10(5.7%) | 2(1.1%) | 4(2.3%) | 38 | 16 | 40 | 174 |
| Total | 58 | 44 | 18 | 4 | 12 | 38 | 16 | 46 | 236 |
| P value | < 0.05a | < 0.001a | a | a |
AMD: Age-related macular degeneration; DRP: diabetic retinopathy; ROP: retinopathy of prematurity
a
Statistically significant