Table 4.

Hearing improvement indicators at the end of the treatment according to treatment initiation time in weeks from symptom onset and hearing loss severity.

Hearing loss	Weeks	0.5	1	2	3	4+	p
Mild	Number	87	73	89	39	44
	SRT improvement dB	10 ± 10	10 ± 10	8 ± 7	3 ± 8	5 ± 6	<0.001
	SRT relative improvement	0.63 ± 0.5	0.54 ± 0.2	0.49 ± 0.4	0.22 ± 0.6	0.29 ± 0.4	<0.001
Moderate	Number	46	35	37	15	12
	SRT improvement dB	26 ± 18	19 ± 18	15 ± 13	9 ± 14	5 ± 8	<0.001
	SRT relative improvement	0.62 ± 0.3	0.43 ± 0.3	0.43 ± 0.3	0.25 ± 0.4	0.13 ± 0.2	<0.001
Severe	Number	24	21	9	2	6
	SRT improvement dB	44 ± 25	35 ± 27	36 ± 15	20 ± 14	5 ± 6	<0.001
	SRT relative improvement	0.68 ± 0.3	0.54 ± 0.4	0.62 ± 0.2	0.31 ± 0.2	0.16 ± 0.2	<0.001
Profound	Number	42	43	20	4	4
	SRT improvement dB	35 ± 26	34 ± 30	27 ± 30	5 ± 15	1 ± 0.25	<0.001
	SRT relative improvement	0.43 ± 0.3	0.4 ± 35	0.31 ± 0.3	0.5 ± 0.1	0.1 ± 0.3	<0.001

Bold values: p < 0.05. Mean ± SD. The p-value (Kruskal-Wallis) represents the difference between half, one, and 2 weeks vs. three and 4 weeks and over. SRT, Speech Recognition Threshold; dB, Decibels.