Table 1: Audiometric data
Characteristics Preoperative 1-year follow-up 3-year follow-up
Number of ears 139 139 37
Good functional result§ - 102 (80) 26 (81)
Good functional result and satisfactory anatomical result - 84 (66) 24 (75)
Bone conduction PTA
Median [Q1 ; Q3] 6.3 [3.8 ; 10.0] 5.0 [1.3 ; 10.0] 2.5 [0.0 ; 12.5]
Range 0 – 38.8 0 – 52.5 0 – 47.5
Air conduction PTA
Median [Q1 ; Q3] 26.8 [19.0 ; 33.8] 18.8 [14.1 ; 25.9] 15.0 [12.5 ; 22.5]
Range 2.5 – 60 1.2 – 75 3.8 – 78
PTA air-bone gap
Median [Q1 ; Q3] 20 [12.5 ; 26.3] 13.8 [8.8 ; 18.8] 13.8 [6.3 ; 20.0]
Range 0 – 52.5 0 – 33.8 0 – 47.5
information available for 127 ears. information available for 32 ears. § Good function results were determined as a mean air-bone gap < 20dB at 500, 1000, 2000 and 4000Hz, results are shown by Number (percentage). PTA Pure-Tone Average (in dB) information available for 127 ears. information available for 32 ears. § Good function results were determined as a mean air-bone gap < 20dB at 500, 1000, 2000 and 4000Hz, results are shown by Number (percentage). PTA Pure-Tone Average (in dB) information available for 127 ears. information available for 32 ears. § Good function results were determined as a mean air-bone gap < 20dB at 500, 1000, 2000 and 4000Hz, results are shown by Number (percentage). PTA Pure-Tone Average (in dB) information available for 127 ears. information available for 32 ears. § Good function results were determined as a mean air-bone gap < 20dB at 500, 1000, 2000 and 4000Hz, results are shown by Number (percentage). PTA Pure-Tone Average (in dB)