The Egyptian Journal of Otolaryngology

Table 1 Baseline characteristics of patients

From: Association of various factors related to mastoid buffer and middle ear ventilation in etiopathogenesis of squamous chronic otitis media—a cross-sectional study

Parameters	Number of patients n = 37	Percentage
Age
16–35	20	54.05
36–55	15	40.54
> 56	2	5.4
Gender
Male	21	56.8
Female	16	43.2
Laterality of ear operated
Right	16	43.2
Left	21	56.8
Presenting symptoms
Foul smelling otorrhea	36	97.30
Reduced hearing	34	91.89
Tinnitus	20	54.05
Earache	23	62.16
Others	5	13.51
Duration of discharge
Since childhood	12	32.4
> 10 years	7	18.9
< 10 years	18	48.64

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