Table 4.

Distribution of the pathogenic and presumably pathogenic mutations

	Pathogenic and presumably pathogenic mutations (Novel mutations)
MYO7A	26 (7)
USH1C	3 (1)
CDH23	8 (5)
PCDH15	2 (1)
USH1G	3 (2)
USH2A	25 (9)
VLGR1	11 (11)
WHRN	3 (3)
USH3A	0