Background
Methods
Study design and participants
Subjective hearing outcomes
Objective hearing outcomes
Statistical analysis
Results
Bilateral | Unilateral | |
---|---|---|
Number of participants | 19 | 19 |
Male number (%) | 8 (42) | 11 (58) |
Age at inclusion years, median [IQR] | 52 [36–63] | 54 [43–64] |
Duration severe hearing loss right ear years, medians [IQR] | 16 [11–25] | 17 [9–33] |
Duration severe hearing loss left ear years, median [IQR] | 16 [11–25] | 18 [9–35] |
PTA right ear decibels, median [IQR] | 106 [89–119] | 106 [94–111] |
PTA left ear decibels, median [IQR] | 108 [89–120] | 108 [93–114] |
Hearing aid use before CI number/total | 19/19 | 15/19 |
Correlation between subjective and objective speech perception tests
U-STARR | Corrected significance levela
| ||
Spearman r |
p-value | ||
SSQ 1 (Speech in silence and noise) | −0.36 | 0.028 | 0.0429 |
NCIQ advanced speech perception | −0.47 | 0.003 | 0.0214 |
SISSS Best performing situation | |||
Spearman r |
p-valuea
| ||
SSQ 1 (Speech in silence and noise) | −0.39 | 0.016 | 0.0286 |
NCIQ advanced speech perception | −0.48 | 0.002 | 0.0143 |
SISSS Worst performing situation | |||
Spearman r |
p-valuea
| ||
SSQ 1 (Speech in silence and noise) | −0.33 | 0.046 | 0.05 |
NCIQ advanced speech perception | −0.39 | 0.016 | 0.0357 |
Localization | |||
Spearman r |
p-valuea
| ||
SSQ 2 (Spatial hearing) | 0.59 | 0.0001 | 0.0071 |
Correlation between subjective and objective localization tests
Comparison of correlations between bilateral and unilateral CI patients
U-STARR |
p-value comparison correlationa
| ||||
Bilateral | Unilateral | ||||
Spearman r |
p-valuea
| Spearman r |
p-valuea
| ||
SSQ 1 (Speech in silence and noise) | −0.50 | 0.031 | −0.21 | 0.379 | 0.342 |
NCIQ advanced sound perception | −0.55 | 0.014 | −0.43 | 0.067 | 0.653 |
SISSS best performing situation | |||||
Bilateral | Unilateral | ||||
Spearman r |
p-valuea
| Spearman r |
p-valuea
| ||
SSQ 1 (Speech in silence and noise) | −0.44 | 0.057 | −0.29 | 0.230 | 0.624 |
NCIQ advanced sound perception | −0.54 | 0.016 | −0.38 | 0.109 | 0.562 |
SISSS worst performing situation | |||||
Bilateral | Unilateral | ||||
Spearman r |
p-valuea
| Spearman r |
p-valuea
| ||
SSQ 1 (Speech in silence and noise) | −0.28 | 0.247 | −0.15 | 0.544 | 0.697 |
NCIQ advanced sound perception | −0.43 | 0.067 | −0.38 | 0.110 | 0.865 |
Localization | |||||
Bilateral | Unilateral | ||||
Spearman r |
p-valuea
| Spearman r |
p-valuea
| ||
SSQ 2 (Spatial hearing) | 0.47 | 0.042 | −0.22 | 0.929 | 0.038 |