Table 1 PTA, SRT, WDS, ART, TOAE, and ABR findings for both ears before treatment

PTA

250 Hz

11.33 ± 2.25

13.83 ± 3.13

500 Hz

14.00 ± 2.25

14.00 ± 2.75

1 kHz

17.50 ± 2.25

15.00 ± 3.94

2 kHz

15.50 ± 4.42

17.00 ± 4.66

4 kHz

15.63 ± 3.96

15.00 ± 4.15

8 kHz

15.67 ± 4.10

14.50 ± 3.31

SRT

15.00 ± 3.71

14.03 ± 4.52

WDS

98.13 ± 2.03%

98.80 ± 1.86%

Acoustic reflex threshold (ART)

500 Hz

86.83 ± 6.42

88.50 ± 6.04

1 kHz

87.67 ± 7.16

87.67 ± 7.16

2 kHz

89.67 ± 7.98

89.67 ± 7.98

4 kHz

92.00 ± 7.13

89.83 ± 7.13

TOAE

0.75–1.25 kHz

10.29 ± 4.05

9.53 ± 4.50

1.25–1.75 kHz

14.64 ± 6.53

15.62 ± 7.28

1.75–2.50 kHz

13.96 ± 6.48

13.62 ± 4.70

2.50–3.50 kHz

12.53 ± 6.74

10.32 ± 4.89

3.50–4.50 kHz

8.40 ± 4.31

12.47 ± 3.07

Overall

11.21 ± 4.75

13.32 ± 8.60

TOAE reproducibility (%)

0.75–1.25 kHz

80.07 ± 14.30

79.20 ± 16.48

1.25–1.75 kHz

85.83 ± 18.59

89.13 ± 13.53

1.75–2.50 kHz

87.03 ± 13.73

88.43 ± 13.10

2.50–3.50 kHz

81.03 ± 15.78

78.23 ± 19.03

3.50–4.50 kHz

72.40 ± 14.70

75.30 ± 15.37

Overall

79.60 ± 17.72

78.83 ± 14.77

ABR, LRR

Wave I

1.71 ± 0.20

1.85 ± 0.10

Wave III

3.90 ± 0.18

3.98 ± 0.23

Wave V

5.71 ± 0.18

5.72 ± 0.18

Inter peak I–III

2.19 ± 0.24

2.10 ± 0.19

Inter peak III–V

2.21 ± 0.04

1.75 ± 0.17

Inter peak I–V

4.01 ± 0.23

3.87 ± 0.21

ABR (HRR)

Wave V

5.99 ± 0.30

5.99 ± 0.27