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. 2015 Apr;35(2):103–109.

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© Copyright by Società Italiana di Otorinolaringologia e Chirurgia Cervico-Facciale

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Fig. 2. — A. PTA values (PTA = average of 0.5-4 kHz) for the three risk classes at onset (t = 0). B. Distribution of PTA values (PTA = average of 0.5-4 kHz) at t = 0 by risk-class and grade of hearing loss (slight, moderate, severe, profound).

Fig. 2. — A. PTA values (PTA = average of 0.5-4 kHz) for the three risk classes at onset (t = 0). B. Distribution of PTA values (PTA = average of 0.5-4 kHz) at t = 0 by risk-class and grade of hearing loss (slight, moderate, severe, profound).