الفهرس 
Introduction and Aim of the WorkOnly 14 pages are availabe for public view
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Abstract
The aim of this work is to shed light on the epidemiological data of otitis media among primary school children in EL-Minia city including age, sex, effect of social state. A correlation between ABO blood groups and Rh system of the children with incidence of otitis media was studied.
Conclusion:
The results of the study indicated that:
1- A high incidence of otitis media was found in our primary school children as compared with developed countries.
2- Otitis media was more common in children of suburban schools than those in urban schools, so medical care must be adequate in suburban areas.
3- The incidence of otitis media was affected by the social state of the family including the income, the number of rooms in the house, the number of persons in the family and the education of fathers of education.
4- Screening ear examination of school children is important because although all children with suppurative otitis media were aware of their condition, it was found that 82% of children with secretary otitis media and 55.1% of children with sequel of otitis media were not aware about their condition and gave no any complaints for ear problems.
5- Otoscopy and tympanometry must be used together for diagnosis of secretory otitis media.
6- Rhinitis, tonsillitis, respiratory tract infection and nasal allergy were the main aetiological factors of otitis media. So must be treated as soon as occurred to avoid occurrence of otitis media.
7- We must put in mind the role of genetic factors in incidence of otitis media which may need further studies.
8- Pure tone audiometry was essential to detect hearing affection of children. Tuning fork tests may be used but to a less extent.
9- Hearing of children was affected by otitis media especially suppurative otitis media, followed be secretory otitis media and sequelae of otitis media. So treatment of suppurative otitis media must have more interest.
10- There was law incidence of otitis media among children of blood group 0, association of blood groups and otitis media needs further studies.