Study Status: COMPLETED
Recruit Status: COMPLETED
Study Type: OBSERVATIONAL
Official Title: The Association of Blood Type Differences and Signal-Noise Ratio in TEOAE and DPAOE in Individuals With Normal Hearing
Brief Summary: The objective of this study is to examine whether ABO and Rhesus (Rh) blood group systems have an association with distortion product otoacoustic emission (DPOAE) and transient otoacoustic emission (TEOAE) amplitudes with the hypothesis of blood groups may affect hearing thresholds.