. Author manuscript; available in PMC: 2020 Jan 1.

Published in final edited form as: Am J Otolaryngol. 2018 Sep 17;40(1):1–9. doi: 10.1016/j.amjoto.2018.09.012

Table 2:

Growth of Masking

	Young	Old	Young	Old
	Slope	Slope	Y-Intercept	Y-intercept
kHz	(dB shift/dB HL)	(dB shift/dB HL)	(dB)	(dB)
0.125	0.96	0.91	4.5	15.9
0.25	0.93	0.93	6.2	10.8
0.5	1.05	0.98	−3.7	6.0
1	1.13	1.09	−5.8	−3.5
2	1.10	1.09	−2.0	5.5
4	1.27	1.14	−6.3	6.3
8	1.12	0.95	3.8	18.2
Mean	1.08	1.01	−0.5	8.5
SD	0.11	0.09	5.2	7.3
Max	1.27	1.14	6.20	18.20
Min	0.93	0.91	−6.30	−3.50