In the control group , there were 15 males and 30 females , aged from 28 to 64 years old with an average of ( 45.776.99 ) years ; course of disease was from 1 to 3 days with an average of ( 1.500.73 ) days ; pure-tone audiometry score was from 48.1 to 75.0 dB with the mean of ( 63.918.05 ) dB ; Northwick Park Neck Pain Questionnaire ( NPQ ) score was from 20 to 29 scores with an average of ( 25.6110.43 ) scores .