Table 5.

Pure tone audiometry and word recognition scores in patients with absent TEOAEs at the first evaluation at different follow-up times.

Items	First evaluation N = 12	After one week N = 12	After one month N = 12	After three months N = 12	Test of sig.
250 Hz Mean ± SD	57. 50 ± 26. 76	47. 50 ± 22. 91	46. 67 ± 24. 98	45. 83 ± 25. 83	F = 0. 565 P = 0. 641
500 Hz Mean ± SD	63. 33 ± 27. 91	51. 67 ± 23. 29	45. 83 ± 26. 01	45. 83 ± 26. 01	F = 1. 222 P = 0. 313
1000 Hz Mean ± SD	59. 17 ± 27. 54	48. 33 ± 26. 74	45 ± 30. 15	45 ± 30. 15	F = 0. 657 P = 0. 583
2000 Hz Mean ± SD	56. 67 ± 32. 15	48. 33 ± 28. 39	45. 83 ± 27. 87	48. 33 ± 28. 39	F = 0. 314 P = 0. 815
4000 Hz Mean ± SD	69. 17 ± 35. 34	57. 50 ± 25	53. 33 ± 27. 91	53. 33 ± 26. 05	F = 0. 807 P = 0. 497
8000 Hz Mean ± SD	72. 50 ± 35. 64	67. 50 ± 32. 72	63. 33 ± 35. 89	57. 50 ± 31. 73	F = 0. 419 P = 0. 740
Word recognition% Mean ± SD	60. 67 ± 39. 67	71. 33 ± 35. 24	73. 33 ± 35. 42	73. 33 ± 35. 42	F = 0. 333 P = 0. 802

R = Repeated measures ANOVA (Friedman test) ∗ Significant.

a: significance relative to the first evaluation value.

b: significance relative to the first-week value.

c: significance relative to the first-month value.