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28 January 2023: Database Analysis

Retrospective Study of 157 Patients with Otosclerosis to Evaluate Association Between Carhart Notch on the Preoperative Bone-Conduction Audiogram and Postoperative Hearing and Balance Evaluated by the Vestibular Disorders Activities of Daily Living Scale

Katarzyna Job 1ABCDEF , Agnieszka Wiatr 1ABCF , Hassan Awada 2CEF , Maciej Wiatr 1ABDEG*

DOI: 10.12659/MSM.939255

Med Sci Monit 2023; 29:e939255

Table 1 Variance analysis of average bone conduction thresholds (as an average for 500 Hz, 1000 Hz, 2000 Hz, 3000 Hz) and presence of the tinnitus and disturbance of balance before surgical treatment in group1 and group 4 considered together.

Groups 1+4 (considered together)Preoperative BC (dB)
Before surgerynAverageSDMeMinMax
Tinnitus1325.37.723.815.036.4
Disturbance of balance3532.68.433.816.345.0
Tinnitus and disturbance of balance1144.02.543.842.551.3
Tinnitus/BC=25.30.044
Disturbance of balance/BC=32.60.0440.006
Tinnitus and disturbance of balance/BC=44.00.006
Preoperative BC – average bone conduction thresholds before surgery; BC – bone conduction threshold; dB – decibel; SD – standard deviation; Me – median; min – minimum; max – maximum; n – number of patients; Hz – hertz.

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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750