Table 3. Characteristics of patients with hearing loss .
| Patient |
Age (Years) |
Sex | Type of opioid | History of Chronic drug use | Mean Hearing threshold (dB) |
DPOAE (Absent/Present) |
SRT (dB) |
|||
|
Right |
Left |
Right |
Left |
Right |
Left |
|||||
| 1 | 35 | F | Amphetamin+ Tramadol | - | 22 | 20 | A | A | 20 | 20 |
| 2 | 34 | F | Amphetamin+ Methamphetamin | - | 22 | 22 | P | p | 20 | 15 |
| 3 | 48 | M | Methdone | Methadone | 19 | 27 | A | A | 15 | 25 |
| 4 | 41 | M | Methdone+Opium | - | 24 | 23 | A | A | 20 | 20 |
| 5 | 35 | M | Methdone | Methadone | 20 | 25 | A | A | 20 | 25 |
| 6 | 31 | M | Methdone | Methadone | 32 | 34 | A | A | 30 | 30 |
| 7 | 18 | M | Tramadol | - | 29 | 29 | A | A | 30 | 25 |
| 8 | 17 | M | Tramadol+ Methdone | - | 44 | 52 | A | A | 40 | 40 |
| 9 | 33 | M | Tramadol | - | 28 | 22 | A | A | 25 | 20 |
| 10 | 28 | M | Tramadol | - | 25 | 22 | A | A | 20 | 20 |
| 11 | 25 | F | Opium | - | 22 | 20 | A | A | 20 | 20 |
| 12 | 54 | M | Tramadol | - | 35 | 32 | A | A | 30 | 25 |
| 13 | 18 | M | Methdone | - | 23 | 21 | P | P | 20 | 20 |
| 14 | 46 | M | Opium | Opium | 23 | 28 | A | A | 25 | 25 |
| 15 | 45 | M | Methdone | - | 19 | 28 | A | A | 15 | 25 |
M:Male, F: Female, DPOAE: Distortion product otoacoustic emission, A: Absent, P:Present, SRT: Speech reception threshold.
Mean Hearing threshold is based on BIAP