Research Article

Examination of Hearing in a Rheumatoid Arthritis Population: Role of Extended-High-Frequency Audiometry in the Diagnosis of Subclinical Involvement

Figure 1

Hearing threshold with pure tone audiometry according to the age range of the study population with RA. Hearing thresholds < 30 dB: hearing normality values with PTA. Arithmetic means (-axis: intensity, dB; -axis: frequency, Hertz or Hz). RA: rheumatoid arthritis. PTA: pure tone audiometry.