Table 2 Percentage of identified ear diseases

External ear diseases

19

1.21

Accessory auricle

7

0.45

Congential preauricular fistula

8

0.51

External auditory canal stenosis

2

0.13

Otisis externa

1

0.06

First branchial cleft fistula

1

0.06

Middle ear disease

10

0.64

Active stage of chronic supprative otisis media

3

0.19

Secretory otitis media

2

0.13

Tympanic membrane perforation(dry ear)

3

0.19

Tympanosclerosis

2

0.13

Sensorineural hearing loss

23

1.47

Hereditary

4

0.26

Drug-induced

1

0.06

Noise-induced

14

0.89

Unknown

4

0.26