Table 2.

Mean, standard deviation (SD), and range of gains in user device compared to targets used for fitting (DSL or NAL prescription, depending on assigned group), as well as targets prescribed by the NAL-NL2 and DSL m[i/o] formulae.

	Gain averaged between 0.5 and 4 kHz (4FA gain)
	Level		User	Target	NAL-NL2	DSL m[i/o]
DSL group	50	Mean	28.4	28.9	26.7	29.6
		SD	11.0	11.6	10.8	10.5
		Range	5.5 to 57.5	5.5 to 64.8	7.3 to 56.5	9.5 to 59.3
	65	Mean	25.0	26.5	20.7	26.8
		SD	10.9	12.1	10.5	11.7
		Range	4.0 to 51.5	3.3 to 61.8	2.2 to 52.9	7.0 to 59.3
	80	Mean	17.6	19.1	12.9	19.6
		SD	9.0	10.4	9.0	10.3
		Range	2.0 to 40.3	1.5 to 49.0	0.7 to 43.7	4.0 to 48.8
NAL group	50	Mean	26.2	26.9	29.6	32.6
		SD	10.9	11.7	10.8	10.4
		Range	2.8 to 63.0	7.5 to 65.5	6.2 to 61.8	11.3 to 67.5
	65	Mean	21.7	21.5	23.4	29.9
		SD	10.5	10.8	10.7	11.8
		Range	2.0 to 59.5	4.0 to 61.3	5.3 to 59.6	8.5 to 67.5
	80	Mean	14.2	13.3	15.0	22.3
		SD	8.9	9.3	9.6	10.6
		Range	0.3 to 44.8	0.5 to 46.8	3.7 to 51.6	5.8 to 59.0