A summary of the sib pair (SP) and sporadic (S) cases with NSSNHL identified with M34T or −493del10 sequence variants. A or B after the SP prefix denotes sib 1 or 2; in some cases only one sib was available for screening
| Family | GJB2 coding status | Non-coding status |
| SP1A | M34T/M34T | −493del10/−493del10 |
| SP1B | M34T/M34T | −493del10/−493del10 |
| SP2A | M34T/wild type | −493del10/wild type |
| SP2B | M34T/wild type | −493del10/wild type |
| SP3A | M34T/wild type | −493del10/wild type |
| SP3B | Wild type/wild type | Wild type/wild type |
| SP4A | M34T/wild type | −493del10/wild type |
| SP4B | Wild type/wild type | Wild type/wild type |
| SP5A | M34T/35delG | −493del10/wild type |
| SP5B | 35delG/wild type | Wild type/wild type |
| SP6A | M34T/35delG | Wild type/wild type |
| SP7A | M34T/wild type | −493del10/wild type |
| S1 | M34T/wild type | −493del10/wild type |
| S2 | M34T/wild type | −493del10/wild type |
| S3 | M34T/wild type | −493del10/wild type |