Table 2 Audiological details for each group; TH, typical hearing; HI, hearing impairment; SD, standard deviation.

From: Transcutaneous auricular vagus nerve stimulation enhanced working memory in older adults with age-related hearing loss

Audiometry

Group

Measure

Frequency in Hertz

500

1000

2000

4000

Left

Right

Left

Right

Left

Right

Left

Right

AS608

TH

group

(n = 36)

Mean

20

22

17

16

19

18

24

22

Median

20

25

15

15

20

18

22

20

SD

6.87

7.22

6.81

5.41

7.85

7.50

11.7

9.59

Minimum

10

5

10

5

5

5

5

10

Maximum

35

40

40

25

45

45

65

50

HI

group

(n = 20)

Mean

26

28

28

30

40

39

50

53

Median

25

25

28

27

40

35

48

50

SD

9.45

9.53

9.63

11.5

14.2

17.8

17.5

21.2

Minimum

10

10

15

15

20

10

20

15

Maximum

55

50

55

55

70

80

85

100