Auditory alterations

no. of patients [over 20 in each group] with lesions* and total no. of frequencies affected

low tone (0.25-8 kHz) high tone (10-18 kHz)

amikacin

• q24h 1 (1) 3 (4)

• q12h 0 6 (6)

netilmicin

• q24h 0 3 (7)

• q8h 2 (3) 8 (9)

* loss of 15dB or more over baseline(max. loss recorded: 30 dB)

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