Table 3:

Test-retest reliability of online HW audiogram.

Frequency (kHz)	0.25	0.5	1	2	4	8	All
Signed differences (second – first)
Mean signed difference (dB)	−0.156	0.00	0.00	−0.313	0.469	−1.25	−0.208
Standard deviation (dB)	2.97	3.11	2.20	3.09	3.45	7.30	4.02
Absolute differences
Mean absolute difference (dB)	1.41	1.56	0.94	1.56	1.41	4.38	1.88
Standard deviation (dB)	2.61	2.68	1.98	2.67	3.17	5.93	3.56
Root mean square differences
RMS difference (dB HL)	3.12	3.12	2.67	3.09	3.36	6.64	3.69