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. 2023 Nov 30;13:19870. doi: 10.1038/s41598-023-46741-5

Table 3.

Mixed-effects regression models of rate effect as a function of tinnitus status and EHFs on ABR variables.

Predictors On AP* amp On log (N1*/N2*) On log (N1*/N3*)
Est CI p Est CI p Est CI p
(Intercept) − 0.095 − 0.105 to − 0.085  < 0.001 − 0.109 − 0.255 to 0.037 0.141 − 0.196 − 0.323 to − 0.068 0.003
Chronic 0.026 0.002 to 0.050 0.033 0.013 − 0.341 to 0.367 0.943 − 0.081 − 0.390 to 0.228 0.608
EHFs 0.001 0.000 to 0.002 0.009 − 0.004 − 0.014 to 0.006 0.449 0.003 − 0.006 to 0.013 0.481
Random effects
 σ2 0.00 0.34 0.32
 τ∞ 0.00ID 0.42ID 0.29ID
 ICC 0.48 0.56 0.48
 N 160ID 160ID 160ID
Observations 301 301 301
Marginal R2 0.055 0.002 0.002
Conditional R2 0.508 0.559 0.477
Predictors On log(N1*/N5*) On N1* lat On N2* lat
Est CI p Est CI p Est CI p
(Intercept) − 0.207 − 0.339 to − 0.076 0.002 0.098 0.068 to 0.128  < 0.001 0.131 0.078 to 0.185  < 0.001
Chronic − 0.218 − 0.537 to 0.101 0.180 0.040 − 0.032 to 0.112 0.273 0.016 − 0.113 to 0.144 0.812
EHFs 0.000 − 0.009 to 0.009 0.960 − 0.000 − 0.003 to 0.002 0.729 0.002 − 0.002 to 0.006 0.371
Random effects
 σ2 0.24 0.05 0.05
 τ∞ 0.36ID 0.00ID 0.05ID
 ICC 0.61 0.02 0.51
 N 160ID 160ID 160ID
Observations 301 301 301
Marginal R2 0.009 0.004 0.004
Conditional R2 0.609 0.022 0.516
Predictors On N3* lat On N5* lat On N1*–N5* lat
Est CI p Est CI p Est CI p
(Intercept) 0.256 0.196 to 0.316  < 0.001 0.298 0.237 to 0.360  < 0.001 0.199 0.152 to 0.246  < 0.001
Chronic − 0.008 − 0.152 to 0.136 0.912 − 0.070 − 0.219 to 0.079 0.357 − 0.109 − 0.221 to 0.004 0.058
EHFs 0.002 − 0.002 to 0.006 0.323 0.001 − 0.003 to 0.006 0.543 0.002 − 0.002 to 0.005 0.355
Random effects
 σ2 0.07 0.07 0.07
 τ∞ 0.06ID 0.07ID 0.03ID
 ICC 0.48 0.52 0.27
 N 160ID 160ID 160ID
Observations 301 301 301
Marginal R2 0.004 0.005 0.017
Conditional R2 0.487 0.524 0.280

Adj. adjusted, Chronic chronic tinnitus group, CI confidence interval, EHFs thresholds at extended high frequencies, Est. estimates.

Significant values are in bold.