Table 4.
Means and standard deviations (SD) of speech intelligibility rating (SIR) and categories of auditory performance (CAP) scores of people with cochlear implants (CI) in time intervals of 6 to 24 months, based on level of education at time intervals of 6 to 24 months
| CAP 24 | CAP 18 | CAP 12 | CAP 6 | SIR 24 | SIR 18 | SIR 12 | SIR 6 | Level of Education | |
|---|---|---|---|---|---|---|---|---|---|
| 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | n | Illetrate |
| 7.59 | 6.67 | 5.67 | 4.10 | 4.49 | 3.78 | 2.90 | 1.80 | Mean | |
| 1.12 | 0.97 | 1.07 | 0.94 | 0.65 | 0.65 | 0.74 | 0.74 | SD | |
| 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | N | Elementary and middle school |
| 7.13 | 6.22 | 5.18 | 3.89 | 4.11 | 3.51 | 2.76 | 1.62 | Mean | |
| 1.50 | 1.42 | 1.47 | 1.39 | 0.98 | 1.05 | 1.10 | 0.96 | SD | |
| 41 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | N | High school and University |
| 7.34 | 6.32 | 5.49 | 4.41 | 4.56 | 4.27 | 3.73 | 2.68 | Mean | |
| 1.58 | 1.67 | 1.86 | 1.87 | 0.67 | 0.90 | 1.25 | 1.46 | SD | |
| 0.213 | 0.297 | 0.217 | 0.388 | 0.008 | 0.000 | 0.000 | 0.000 | P value | |