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Table 2 Intraoperative findings according to the categories: fistula, no fistula and doubtful fistula

From: Occurence of a round window membrane rupture in patients with sudden sensorineural hearing loss

Patient

Intraop finding

Material

Improvement of hearing

1

fistula

fat

< 20 dB

2

no fistula

fat

> 20 dB

3

doubtful fistula

fat

> 20 dB

4

doubtful fistula

fat

no change

5

no fistula

fat

> 20 dB

6

fistula

fat

< 20 dB

7

doubtful fistula

fat

> 20 dB

8

fistula

fat

< 20 dB

9

fistula

fat

< 20 dB

10

doubtful fistula

fat

> 20 dB

11

doubtful fistula

fat

> 20 dB

12

no fistula

soft tissue

> 20 dB

13

no fistula

fat

> 20 dB

14

fistula

fat

< 20 dB

15

no fistula

fat

< 20 dB

16

doubtful fistula

fat

> 20 dB

17

no fistula

soft tissue and fibrin glue

> 20 dB

18

no fistula

fat

> 20 dB

19

doubtful fistula

fat

> 20 dB

20

doubtful fistula

fat

< 20 dB

21

no fistula

fat

< 20 dB

22

doubtful fistula

fat

no change

23

no fistula

fat

> 20 dB

24

no fistula

fat

> 20 dB

25

no fistula

soft tissue

< 20 dB

26

no fistula

fat

< 20 dB

27

doubtful fistula

fat

< 20 dB

28

doubtful fistula

fat

no change

29

doubtful fistula

fat

> 20 dB

30

doubtful fistula

soft tissue

> 20 dB

31

no fistula

fat

> 20 dB

32

no fistula

soft tissue

> 20 dB

33

fistula

fat

> 20 dB

34

no fistula

fat

< 20 dB

35

no fistula

fat

no change

36

no fistula

fat

< 20 dB

37

fistula

fat

no change

38

no fistula

fat

< 20 dB

39

no fistula

fat

< 20 dB

40

no fistula

fat and soft tissue

< 20 dB

41

no fistula

fat

> 20 dB

42

no fistula

fat

< 20 dB

43

no fistula

fat

< 20 dB

44

no fistula

fat

no change

45

no fistula

fat

no change

46

no fistula

fat

> 20 dB

47

no fistula

fat

< 20 dB

48

no fistula

fat

> 20 dB

49

no fistula

fat and soft tissue

< 20 dB

50

no fistula

fat

no change

51

no fistula

soft tissue

> 20 dB

52

no fistula

fat

< 20 dB

53

no fistula

fat

< 20 dB

54

doubtful fistula

soft tissue

> 20 dB

55

no fistula

fat

< 20 dB

56

fistula

fat and fibrin glue

> 20 dB

57

fistula

fat

> 20 dB

58

no fistula

fat

> 20 dB

59

fistula

fat

> 20 dB

60

no fistula

fat

> 20 dB

61

no fistula

fat

> 20 dB

62

no fistula

soft tissue

no change

63

doubtful fistula

fat

> 20 dB

64

fistula

fat

> 20 dB

65

no fistula

soft tissue

> 20 dB

66

no fistula

fat

< 20 dB

67

fistula

fat and fibrin glue

> 20 dB

68

fistula

fat

> 20 dB

69

no fistula

fat

no change

  1. Material used to cover the round window niche and postoperative hearing improvement (n=69).