Table 1 Clinical characteristics of three patients in two families with compound heterozygous CDH23 mutations
From: Identification of CDH23 mutations in Korean families with hearing loss by whole-exome sequencing
Sample | Relationship | Threshold* (Rt) (dB) | Threshold* (Lt) (dB) | Severity | Residual hearing in the lower frequencies** (dB) | Hearing in the higher frequencies*** (dB) | Age | Age of awareness | Hearing aid/cochlear implant | Vertigo |
|---|---|---|---|---|---|---|---|---|---|---|
SR-106 | Â | NR at 90Â dB nHL | NR at 90Â dB nHL | Profound | N.D. | N.D. | 3 | 3 | None | N.D. |
SR-209 | Â | NR at 90Â dB nHL | 103 | Profound | 90 (L) | 110 (L) | 1.9 | 1.9 | CI | ã…¡ |
SR-209B | Sibling of SR-209 | NR at 90Â dB nHL | 115 | Profound | 107.3 (L) | NR (L) | 1.3 | 1.3 | CI | ã…¡ |