Clinical Application of Screening for GJB2 Mutations before Cochlear Implantation in a Heterogeneous Population with High Rate of Autosomal Recessive Nonsyndromic Hearing Loss

Table 3

Percentages showing the shape of audiograms and level of hearing at the times measured.

Shape of audiogram	Before CI	1 mo	3 mo	6 mo	12 mo	12 mo <
Fragmentary	52.1	—	—	—	—	—
Descending	46.6	—	—	—	—	—
Flat	1.4	100	100	100	100	100
Level of hearing
Profound	82.2	—	—	—	—	—
Severe-to-profound	17.8	—	—	—	—	—
Moderate-to-severe	—	13.9	2.8	—	—	—
Moderate	—	86.1	97.2	95.7	81.2	53.8
Mild	—	—	—	4.3	18.8	46.2