ARE BLOOD GROUPS A RISK FACTOR FOR CHRONIC OTITIS MEDIA WITH EFFUSION?

Methods: Blood groups of cases to who ventilation tube for chronic otitis media with effusion were inserted at our otolaryngology department between January 2005 and January 2006 were examined retrospectively. The frequencies of blood groups were compared to the frequencies in normal population.

Results: The frequencies of blood groups in the chroic otitis media with effusion cases were similar to the frequencies of the general population.

Conclusion: Blood groups are not a risk factor for chronic otitis media with effusion. Keywords : ABO blood group, chronic otitis media with effusion