TABLE 1.

The demographic and clinical characteristics of the patients

No	Age (yr)	Gender	Side	Inducement	Duration	Symptoms	Temporal Bone CT/MRI Finding	Hearing Level of ABR (ABG)	Hearing Level of PTA (ABG)
1	3	Famale	Left	No	1 mo	Suppurative otorrhea	Mass in EAC and Effusion of middle ear	25 dB	—
2	6	Male	Right	No	2 mo	Suppurative otorrhea	Mass in EAC	—	0 dB
3	3	Male	Left	No	2 mo	Suppurative otorrhea	Mass in EAC and Effusion of middle ear	0 dB	—
4	4	Famale	Right	Ear cleaning	1 mo	Otalgia, suppurative otorrhea	Mass in EAC	0 dB	—
5	2	Male	Left	No	10 d	Hemorrhagic otorrhea	Mass in EAC	10 dB	—
6	5	Male	Right	No	1 mo	Suppurative otorrhea	Mass in EAC	—	10 dB
7	5	Famale	Left	No	2 wk	Suppurative otorrhea	Mass in EAC	0 dB	15 dB
8	4	Famale	Right	No	1 mo	Hemorrhagic otorrhea	Mass in EAC	0 dB	—
9	9	Famale	Left	No	1 mo	Otalgia, Hemorrhagic	Mass in EAC	5 dB	5 dB
10	3	Male	Left	No	3 wk	Hemorrhagic otorrhea	Mass in EAC	10 dB	—
11	5	Male	Right	No	1 mo	Hemorrhagic otorrhea	Mass in EAC	10 dB	—
12	1	Male	Left	No	3 wk	Hemorrhagic otorrhea	Mass in EAC	0 dB	—
13	6	Famale	Right	No	2 mo	Suppurative otorrhea	Mass in EAC	—	0 dB (PTA)
14	3	Famale	Right	No	3 mo	Suppurative otorrhea	Mass in EAC and Effusion of middle ear	5 dB	—
15	7	Famale	Left	No	2 mo	Otalgia, suppurative otorrhea	Mass in EAC	35 dB	15 dB
16	4	Male	Right	No	1 mo	Hemorrhagic otorrhea	Mass in EAC	25 dB	—
17	5	Male	Left	Water into EAC	3 wk	Suppurative and Hemorrhagic otorrhea	Mass in EAC	15 dB	—
18	10	Male	Left	No	2 wk	Suppurative otorrhea	Mass in EAC	—	5 dB (PTA)
19	2	Male	Right	No	2 mo	Hemorrhagic otorrhea	Mass in EAC	15 dB	—

ABR, auditory brainstem evoked potentials.