Age Projection

*Hearing Impairment Projection - NIOSH72-FECA:*

	All frequencies must be filled in with values in dB.		If hearing threshold is greater than 100 dB enter 100 dB.		If hearing threshold is less than zero dB enter 0 dB.		Patient's age must be greater than 18 yrs to calculate presbycusis.

	250 Hz	500 Hz	1000 Hz	2000 Hz	3000 Hz	4000 Hz	6000 Hz	8000 HZ
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Enter Patient's Age at time of Audiogram: Enter Patient's Age for the Projected Audiogram:			Directions: Age is entered in years. Two decimal points can be entered. To calculate age from the patient's birth date to the audiogram's test date, use the "Find Years From Dates" screen button. Presbycusis & Test Projection			Calculate Hearing Impairment