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Original ArticleOpen Access
Hearing Impairment in Thais Due to Sport Shooting : A Preliminary Report
Charakom C 
Ninety one sportshooters from several sportshooting clubs ranging in age from 20-49
and 85 control subjects were carefully examined for hearing ability. The male and female ratio
was I 0.37: l. It was found that 9.34 per cent of the subjects were suffering from hearing impairment
at the level of 3,000-8,000 Hertz. At most frequencies the mean decibel between the groups of
shooters (1-5 years, 5-l 0 years, more than I 0 years) was significantly different. with the right ear
being significantly more impaired than the left ear (α=0.1 ). At all frequencies the mean decibel
level for the control group was significantly different from that for the sportshooters ( α=0.1 ).
In conclusion, it is the responsibility of the National Environmental Board on Noise
Pollution, the Royal College of Otolaryngologists of Thailand and other related organizations
should be much more aggressive in educating sportshooters with regard to protecting their cars
against acoustic trauma.
and 85 control subjects were carefully examined for hearing ability. The male and female ratio
was I 0.37: l. It was found that 9.34 per cent of the subjects were suffering from hearing impairment
at the level of 3,000-8,000 Hertz. At most frequencies the mean decibel between the groups of
shooters (1-5 years, 5-l 0 years, more than I 0 years) was significantly different. with the right ear
being significantly more impaired than the left ear (α=0.1 ). At all frequencies the mean decibel
level for the control group was significantly different from that for the sportshooters ( α=0.1 ).
In conclusion, it is the responsibility of the National Environmental Board on Noise
Pollution, the Royal College of Otolaryngologists of Thailand and other related organizations
should be much more aggressive in educating sportshooters with regard to protecting their cars
against acoustic trauma.
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