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Table 1 Subjects' personal information, symptoms and details of laryngeal web

From: Endoscopic treatment of anterior laryngeal web using keel designed from ePTFE followed by voice therapy: a refined technique

Subject

Age

Sex

Etiology

Type

Extent

Symptoms

1

16

M

Acquired

IV

85 %

dysphonia, dyspnea on exertion

2

19

M

III

80 %

dysphonia, dyspnea on exertion

3

21

F

III

75 %

dysphonia, dyspnea on exertion

4

24

F

III

60 %

dysphonia

5

18

F

I

30 %

dysphonia

6

19

F

I

25 %

dysphonia

7

20

M

Congenital

IV

80 %

dysphonia, dyspnea on exertion

8

23

M

III

75 %

dysphonia, dyspnea on exertion

9

13

F

II

40 %

dysphonia

10

12

F

I

30 %

dysphonia

  1. Illustrated subjects’ information as regard age, gender, clinical presentations, etiology of the laryngeal web and the percentage of glottis involved by the web. Types of the web: type I; the web involves less than 35% of the glottis, type II; from 35-50%, type III; from 50-75%, type IV; from 75-90%, type V; more than 90% of the glottis (Cohen’s classification [20]). M: male, F: female