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Gap junction protein β2 genotypes of 283 minority patients with nonsyndromic hearing impairment.
| Genotype | Hui patients (n) | Tibetan patients (n) | Tu patients (n) |
|---|---|---|---|
| 235delC/235delC | 5 | 1 | 6 |
| 299_300delAT/299_300delAT | 2 | 0 | 0 |
| 235delC/299_300delAT | 1 | 0 | 0 |
| 35delG/235delC | 1 | 0 | 0 |
| 176_191del16/235delC | 1 | 0 | 1 |
| 257C>G/299_300delAT | 0 | 1 | 0 |
| 235delC/wt | 0 | 2 | 2 |
| 109G>A/wt | 4 | 5 | 2 |
| Total | 14 | 9 | 11 |
WT, wild-type.
