Table 1.

Study Variables and Degree of Hearing Loss

Degree of Hearing Loss	ASHA Hearing-loss Range,dB*	Hearing-loss Range in This Study, dB
Normal	–10 to 15	–10 to 25
(Slight)	16 to 25
Mild	26 to 40	26 to 40
Moderate	41 to 55	41 to 55
Moderately severe	56 to 70	56 to 70
Severe	71 to 90	71 to 90
Profound	91+	91+

Abbreviation: ASHA, American Speech-language-hearing Association.

*Data from reference [39]