PMC7433731_01
Behavioral pure-tone air conduction thresholds at 11 years old.
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F1
Her audiometric evaluation when she was 11 years old (during her first visit) indicated moderate hearing loss with low-frequency sloping, as demonstrated by the audiogram in Figure 1.
PMC7433731_02
Click Evoked ABR result with rarefaction and condensation polarities for the patient. The upper part of the figure shows the cochlear microphonics which are indicated in the circle line. The lower part are the control traces (no stimulus presented to patient) for controlling any stimulus related artifact.
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F2
ANSD was confirmed with an absent auditory brainstem response and presence of cochlear microphonics for both ears (Figure 2).
PMC7433731_03
Behavioral frequency modulated tones thresholds with CI after one-year CI usage.
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F3
The patient was followed up regularly with free field pure-tone audiometry, and her behavioral pure tone thresholds were within the range of 20-40 dB HL (Figure 3).
Pre (Last visit prior to CI) and Post-Operative Word discrimination score.
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F4
Her word discrimination score increased as the duration of CI usage increased (Figure 4).