1987 Volume 1987 Issue Supplement10 Pages 77-82
Data management using a personal-computer was carried out for 6,278 audiograms, especially, a comparison of audiographic data on hearing loss and hearing level.
A difference was observed in the frequency of the perceptive deafness, bu t no such difference was seen in the mother group in results of hearing level and hearing loss.
Analysis of the extent of hearing revealed a 5% difference in results of hearing level and hearing loss in the normal group.
Right and left difference of over 20 dB was seen 14.1% and a difference of over 60 dB was noted in 3.5%.
We also evaluated the usefulness and shortcomings of management of audiographic data by a personal-computer.