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Table 2 Hearing recovery according to pure-tone audiometry

From: Topical insulin-like growth factor 1 treatment using gelatin hydrogels for glucocorticoid-resistant sudden sensorineural hearing loss: a prospective clinical trial

     Averaged hearing level (dB) Hearing improvement
Patient Age Gender Days from onset Before registration 12 weeks 24 weeks 12 weeks 24 weeks
1 54 M 19 88 77 75 SR SR
2 36 F 31 62 55 60 NR NR
3 46 M 21 107 81 86 SR SR
4 29 F 24 107 95 95 SR SR
5 38 M 19 65 64 62 NR NR
6 72 M 29 98 97 97 NR NR
7 49 M 17 111 105 105 NR NR
8 49 F 26 47 42 42 NR NR
9 55 M 21 104 78 75 SR SR
10 55 F 29 52 57 57 NR NR
11 60 F 27 37 33 32 NR NR
12 35 F 21 76 68 66 NR SR
13 59 M 23 90 79 78 SR SR
14 58 M 32 60 81 77 NR NR
15 60 F 26 63 40 39 SR SR
16 36 M 19 56 51 46 NR SR
17 33 F 18 88 88 87 NR NR
18 61 F 25 92 72 74 SR SR
19 42 F 15 111 89 92 SR SR
20 23 F 18 79 22 18 MR MR
21 45 F 26 95 82 77 SR SR
22 45 M 28 87 84 85 NR NR
23 60 F 23 108 84 86 SR SR
24 26 M 20 109 92 86 SR SR
25 55 M 21 37 34 35 NR NR
  1. Average hearing level was the mean hearing level according to pure-tone audiometry at the five frequencies tested (0.25, 0.5, 1.0, 2.0 and 4.0 kHz). Hearing improvement was determined by the criteria shown in Table 1.
  2. MR = marked recovery; NR = no recovery; SR = slight recovery.