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Table 2 Categorized hearing loss according to POG grade

From: Ototoxicity evaluation in medulloblastoma patients treated with involved field boost using intensity-modulated radiation therapy (IMRT): a retrospective review

POG ototoxicity

Frequence

%

% accumulated

0 - 2

34

82.9%

82.9%

3 - 4

7

17.1%

100%

Total

41

100%