Table 2. Genotype/phenotype correlations for the patients with (D) and without (N) 35delG mutation.

SNHL degree	Patients analyzed	DD	DN	NN	%DD/%NN
moderate	18	3	2	13	16.7/72.2**
moderate/severe	23	7	1	15	30.4/65.2
severe	88	36	11	41	40.9/46.6
severe/profound	45	27	7	11	60.0/24.4
profound	217	105	30	82	48.4/37.8
Total	391	178	51	162	45.5/41.4

^**The difference of DD % with other patient groups is significant (P<0,02).