Table 1 Demographic characteristics of investigated families
From: USH2A gene variants cause Keratoconus and Usher syndrome phenotypes in Pakistani families
Families residential district | Disease | No. of living individuals | No. of affected individuals | Age of onset | ||
|---|---|---|---|---|---|---|
Male | Female | Male | Female | Â | ||
Peshawar | RP | 5 | 5 | 2 | 2 | Childhood (around 10 years ) |
Karak | USH2 | 5 | 4 | 2 | 3 | Congenital deafness, night blindness before10 years of age, pre-pubertal onset of RP |
Kohat | USH2 | 4 | 2 | 2 | 1 | Congenital deafness, night blindness after10 years of age, Onset of RP in early adolescence |
Waziristan | KC | 5 | 3 | 3 | 0 | Early adolescence |
Hangu | KC | 8 | 5 | 3 | 2 | Middle adolescence |