Fig. 1From: Effectiveness of oral corticosteroids (prednisolone) in sensorineural hearing loss post COVID-19Follow up audiological evaluation of a male patient aged 37 years presented with left sudden low-frequency SNHL post COVID-19 infection. A Initial presentation PTA threshold. B PTA threshold after 1-week corticosteroid treatment. C PTA threshold after 2 weeks of corticosteroid treatment. D PTA threshold after 1 month of corticosteroid treatmentBack to article page