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Table 3 Mean loss in patients with ototoxic threshold shift in group I (n = 7), group II (n = 4) and group III (n = 1) at different frequencies tested

From: Audiologic monitoring of multi-drug resistant tuberculosis patients on aminoglycoside treatment with long term follow-up

Group 250 Hz 500 Hz 1000 Hz 2000 Hz 3000 Hz 4000 Hz 6000 Hz 8000 Hz
I 3 ± 5.7 2 ± 5.7 3 ± 3.8 5 ± 5 8 ± 8.6 17 ± 12.5 29.3 ± 9.3 34.3 ± 8.5
II 2.5 ± 5 5 ± 7.1 10 ± 9.1 16.25 ± 10.3 20 ± 14.7 27.5 ± 10.4 30 ± 7.9 33.75 ± 16
III - - 5 5 10 30 35 45