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. Author manuscript; available in PMC: 2009 Nov 25.
Published in final edited form as: Int J Audiol. 2009;48(6):321–333. doi: 10.1080/14992020802644871

Table 3.

Behavioral audiometric thresholds for normal hearing listeners. Thresholds were obtained using insert earphones and are listed in dB HL.

Middle-
Aged
Subjects		 Right Ear Left Ear
250
Hz		 500
Hz		 1000
Hz		 2000
Hz		 4000
Hz		 PTA-
R		 250
Hz		 500
Hz		 1000
Hz		 2000
Hz		 4000
Hz		 PTA-
L
NH1 20 15 5 5 15 8.3 15 5 5 0 5 3.3
NH2 10 5 0 -5 10 0 15 10 0 5 5 5
NH5 5 20 10 15 15 15 10 10 5 10 10 8.3
NH9 15 15 20 10 15 15 10 10 10 10 15 10
NH10 10 10 10 10 0 10 10 10 5 10 5 8.3
NH11 15 20 10 10 15 13.3 10 10 5 10 15 8.3
NH14 5 5 0 5 5 3.3 5 5 5 5 15 5
NH15 10 10 10 15 5 11.6 10 5 10 15 15 10
NH17 0 0 10 5 5 5 10 5 5 5 5 5
NH18 10 10 10 5 5 8.3 10 15 10 15 10 13.3
NH19 15 15 10 10 5 11.7 15 10 15 5 15 10
NH20 10 5 10 10 20 8.3 15 5 5 15 10 8.3
Mean 10.4 10.8 8.8 7.9 9.6 9.2 11.3 8.3 6.7 8.8 10.4 7.9
Elderly
Subjects
NH25 20 25 20 10 25 18.3 20 25 25 10 20 20
NH28 5 10 15 10 25 11.7 10 5 5 20 25 10
NH32 10 5 20 0 15 8.3 10 10 5 5 15 6.7
NH33 15 15 15 15 15 15 10 10 10 10 10 10
NH35 20 5 10 5 10 6.7 15 10 10 15 5 11.7
NH36 10 5 15 20 20 13.3 0 15 5 10 15 10
NH42 15 10 20 10 15 13.3 20 20 20 5 15 15
NH47 10 10 15 10 15 11.7 5 10 10 15 15 11.7
NH49 5 0 5 5 10 3.3 0 0 10 5 15 5
NH48 20 10 15 25 20 16.7 10 10 15 20 15 15
Mean 13 9.5 15 11 17 11.8 10 11.5 11.5 11.5 15 11.5