Table 4.

CF shift magnitude for all three recovery time periods

Frequency band	CF shift magnitude (octave)
	Up			Down			Up and down
	Mean	SD	N	Mean	SD	N	Mean	SD	N
< 0.5 kHz
6 weeks	1.90		1	−0.48	0.23	2	0.96	0.84	3
12 weeks			0	−0.34		1	0.34		1
24 weeks	0.64		1	−0.40		1	0.52	0.16	2
0.5–1 kHz
6 weeks	1.97	0.70	35	−0.56	0.20	13	1.58	0.88	48
12 weeks	1.46	0.47	36	−0.44	0.18	19	1.11	0.63	55
24 weeks	1.14	0.57	11	−0.47	0.19	13	0.78	0.53	24
1–2 kHz
6 weeks	1.35	0.49	43	−0.37	0.11	6	1.23	0.56	49
12 weeks	1.13	0.42	41	−0.50	0.21	26	0.89	0.47	67
24 weeks	1.00	0.18	8	−0.44	0.21	32	0.56	0.30	40
2–4 kHz
6 weeks	0.91	0.17	7	−0.34	0.07	7	0.63	0.32	14
12 weeks	1.00	0.31	13	−0.28	0.01	3	0.87	0.41	16
24 weeks	0.80	0.10	3	−0.44	0.15	10	0.52	0.21	13
4–8 kHz
6 weeks			0	−0.35	0.06	4	0.35	0.06	4
12 weeks			0	−0.39	0.12	2	0.39	0.12	2
24 weeks			0	−0.61	0.24	3	0.61	0.24	3
>8 kHz
6 weeks			0			0			0
12 weeks			0			0			0
24 weeks			0	−0.59		1	0.59		1
Group
6 weeks	1.57	0.67	86	−0.45	0.17	32	1.27	0.76	118
12 weeks	1.25	0.46	90	−0.46	0.19	51	0.96	0.54	141
24 weeks	1.03	0.42	23	−0.46	0.19	60	0.62	0.37	83

N, Sample size.