Table 4.
Number and percentage on the prevalence of ototoxicity using ASHA’s criteria and Brock’s grading.
| ASHA Criteria (N = 42) | Number | Percent |
|---|---|---|
| 1st criteria of ototoxic Induces at shingle shift of > 20 dB | 19 | 45.2 |
| 2nd criteria of ototoxic Induces at Consecutive Shift > 10 dB | 16 | 38.1 |
| 3rd criteria of ototoxicity (NR at 3 frequencies after drugs) | 2 | 4.8 |
| Brock Grade (N = 19) | ||
| Grade 0 (All frequency < 40 dB) | 19 | 100.0 |
| Grade 1 (>40 dB at 8khz (ACR&ACL). | 12 | 63.2 |
| Grade 2 (>40 dB at 4khz and above). | 8 | 42.1 |
| Grade 3 (>40 dB at 2khz and above). | 5 | 26.3 |
| Grade 4 (>40 dB at 1khz and above) | 4 | 21.1 |