Table 2.

Descriptive statistics PTA and EEG noise.

	Young	Middle-aged	Older
PTA125-8000 Hz
Mean ± SD	3.7 ± 3.6	8.8 ± 4.1	17.7 ± 4.7
Minimum; maximum	−3.2; 11.9	3.1; 20.0	10.9; 28.1
4 Hz EEG NOISE
Mean ± SD	0.189 ± 0.026	0.146 ± 0.021	0.158 ± 0.036
Minimum; maximum	0.152; 0.240	0.102; 0.180	0.108; 0.216
80 Hz EEG NOISE
Mean ± SD	0.019 ± 0.006	0.024 ± 0.008	0.027 ± 0.011
Minimum; maximum	0.010; 0.033	0.015; 0.038	0.017; 0.058

Age group's mean ± SD, minimum, and maximum of the PTA_125-8000Hz (dB HL), 4 Hz EEG noise (μV), and 80 Hz EEG noise (μV).