Table 1 Mann-Whitney U test results for high-frequency audiometry (HFA) and SPIN (words and sentences) scores from women with and without PCOS

HFA thresholds

9 kHz

2.89

0.004*

10 kHz

3.42

0.001*

11 kHz

4.50

0.000*

12 kHz

4.77

0.000*

14 kHz

5.67

0.000*

16 kHz

4.96

0.000*

18 kHz

4.35

0.000*

20 kHz

3.96

0.000*

SPIN scores (words)

Quiet

0.58

0.557

0 dB SNR

1.84

0.065

− 3 dB SNR

2.85

0.004*

− 6 dB SNR

3.14

0.002*

− 9 dB SNR

3.34

0.001*

SPIN scores (sentences)

Quiet

1.76

0.078

0 dB SNR

2.75

0.006*

− 3 dB SNR

2.47

0.013*

− 6 dB SNR

4.51

0.000*

− 9 dB SNR

4.20

0.000*