Table 4: Association between audiological profile and tinnitus duration/loudness by Fischer’s exact test.

VariableAssociation withFischer’s exact coefficient (f)

PTA1Onset duration21.15*
PTA2Onset duration29.98*
PTA3Onset duration24.25
PTA1Tinnitus loudness19.54**
PTA2Tinnitus loudness21.73*
PTA3Tinnitus loudness18.50

P < 0.05; P < 0.01. Con. avg.: conventional audiometry average (PTA1); HF avg.: high frequency average (PTA2); EHF avg.: extended high frequency average (PTA3).