Fig. 3
From: Connexin-26–associated deafness: Phenotypic variability and progression of hearing loss

Hearing loss. A, Mean pure-tone average (PTA) thresholds from 0.5 kHz to 4 kHz for different genotypes and ethnic groups. Black lines indicate 95% CI. *P < 0.001 by nonparametric statistical analysis. B, Intervention for hearing loss by genotype.