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. Author manuscript; available in PMC: 2024 Sep 1.
Published in final edited form as: Behav Res Methods. 2022 Aug 12;55(6):2838–2852. doi: 10.3758/s13428-022-01933-1

Table 3.

Root-mean-square (RMS) error in dB between audiometer and HTT thresholds by group and frequency

Adult (n = 63) Child (n = 27) Overall
Clinically significant difference RMS error (dB)
Mean (SD) 		Difference (dB)
Mean (SD) 		Clinically significant difference RMS error (dB)
Mean (SD) 		Difference (dB)
Mean (SD) 		Clinically significant difference RMS error (dB)
Mean (SD) 		Difference (dB)
Mean (SD)
500 Hz 18.3% 4.59
(3.92)		 2.89
(5.31)		 9.3% 4.72
(4.50)		 −1.17
(6.45)		 15.6% 4.63
(4.09)		 1.67
(5.96)
1000 Hz 27.8% 4.86
(3.21)		 −2.18
(5.41)		 13.0% 7.57
(4.42)		 −7.30
(4.87)		 23.3% 5.67
(3.81)		 −3.72
(5.75)
2000 Hz 22.2% 4.48
(3.43)		 −3.36
(4.55)		 53.7% 9.54
(5.45)		 −8.39
(7.12)		 31.7% 6.00
(4.73)		 −4.87
(5.90)
4000 Hz 13.5% 4.02
(3.90)		 −1.39
(5.44)		 16.7% 8.61
(9.32)		 −8.46
(9.45)		 14.4% 5.40
(6.38)		 −3.51
(7.59)

Note. HTT = Hearing Threshold Test; Hz = Hertz; Difference = Audiometer threshold – HTT threshold; Clinically significant difference was defined as +/− 7 dB for adults and children over 13 years of age (Mahomed et al., 2013) and +/− 10 dB for children under 13 years of age (Beahan et al., 2012).