Table IV.
Adult clinical data (PTA calculated as the average threshold among 250 Hz, 500 Hz, 1 KHz, 2 KHz frequencies for each ear).
| Participant | Gender | Deafness | Age at 1st CI (mo) | PTA Pre-1st CI Right side | PTA Pre-1st CI Left side | Side of 1st CI | Age at 2nd CI (mo) | PTA Pre-2nd CI Right side | PTA Pre-2nd CI Left side | Side of 2nd CI |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | M | Postverbal | 61.08 | 62.5 | 95 | R | 61.33 | 88.75 | 95 | L |
| 2 | F | Periverbal | 52.08 | 95 | 95 | L | 54.33 | 95 | 108.33 | R |
| 3 | M | Postverbal | 32.67 | 81.67 | 120 | R | 34.58 | 100 | 120 | L |
| 4 | M | Postverbal | 47.08 | 57.5 | 91.25 | L | 57.5 | 103.75 | ||
| 5 | F | Periverbal | 20.58 | 95 | 95 | R | 25.42 | 120 | 102.5 | L |
| 6 | M | Periverbal | 41.00 | 101.25 | 87.5 | R | 50.50 | 115 | 97.5 | L |
| 7 | M | Postverbal | 67.33 | 80 | 120 | L | 68.08 | 120 | 120 | R |