Department of Otorhinolaryngology-Head and Neck Surgery, Chosun University College of Medicine, Gwangju, Korea
Copyright © 2022 by The Korean Balance Society.
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| PTA | Affected ear | Health ear | p-value |
|---|---|---|---|
| PTA3 (air) | 35.68±11.98 | 13.58±7.24 | <0.0001a |
| PTA3 (bone) | 15.95±6.36 | 12.42±6.42 | 0.001a |
| Speech discrimination score (%) | 93.89±3.62 | 97.05±2.93 | 0.003b |
| Variable | Affected ear | Health ear | p-value |
|---|---|---|---|
| Horizontal canal | |||
| Gain | 0.97±0.16 | 1.00±0.08 | 0.542a |
| Abnormal gain | 3 | 0 | 0.229b |
| Presence of CS | 4 | 3 | >0.999b |
| Anterior canal | |||
| Gain | 0.91±0.11 | 0.87±0.11 | 0.075c |
| Abnormal gain | 1 | 0 | >0.999b |
| Presence of CS | 1 | 0 | >0.999b |
| Posterior canal | |||
| Gain | 0.87±0.17 | 0.99±0.12 | 0.017c |
| Abnormal gain | 2 | 0 | 0.487b |
| Presence of CS | 1 | 0 | >0.999b |
| Patient No. | Age (yr) | Sex | Disease duration (mo) | Past history | Site | Affected ear problem | Surgery |
|---|---|---|---|---|---|---|---|
| 1 | 55 | M ale | 39 | HTN | Right | COM | Tympanoplasty |
| 2 | 26 | M ale | 24 | Left | COM | CW UM | |
| 3 | 9 | M ale | 15 | Right | COM with cholesteatoma | CW DM | |
| 4 | 55 | Female | 3 | DM | Right | COM | CW UM |
| 5 | 63 | Female | 6 | Right | COM with cholesteatoma | CW DM | |
| 6 | 49 | Female | 95 | Left | COM | Tympanoplasty | |
| 7 | 16 | M ale | 120 | Left | COM | Tympanoplasty | |
| 8 | 26 | Female | 192 | Left | COM | CW UM | |
| 9 | 56 | Female | 240 | Right | COM | Tympanoplasty | |
| 10 | 71 | Female | 120 | Left | COM | CW UM | |
| 11 | 59 | Female | 13 | HTN, DM | Right | COM | CW UM |
| 12 | 33 | M ale | 36 | Left | COM | Tympanoplasty | |
| 13 | 50 | M ale | 372 | HTN, DM | Left | COM with cholesteatoma | CW UM |
| 14 | 25 | M ale | 2 | Right | Adhesive OM | CW UM | |
| 15 | 41 | Female | 146 | Left | Adhesive OM | CW UM | |
| 16 | 29 | Female | 122 | Left | COM | Tympanoplasty | |
| 17 | 31 | Female | 207 | Left | COM with cholesteatoma | CW DM | |
| 18 | 64 | Female | 464 | HTN | Left | Adhesive OM | CW UM |
| 19 | 61 | M ale | 545 | HTN | Left | COM | CW UM |
| PTA | Affected ear | Health ear | p-value |
|---|---|---|---|
| PTA3 (air) | 35.68±11.98 | 13.58±7.24 | <0.0001 |
| PTA3 (bone) | 15.95±6.36 | 12.42±6.42 | 0.001 |
| Speech discrimination score (%) | 93.89±3.62 | 97.05±2.93 | 0.003 |
| Variable | Affected ear | Health ear | p-value |
|---|---|---|---|
| Horizontal canal | |||
| Gain | 0.97±0.16 | 1.00±0.08 | 0.542 |
| Abnormal gain | 3 | 0 | 0.229 |
| Presence of CS | 4 | 3 | >0.999 |
| Anterior canal | |||
| Gain | 0.91±0.11 | 0.87±0.11 | 0.075 |
| Abnormal gain | 1 | 0 | >0.999 |
| Presence of CS | 1 | 0 | >0.999 |
| Posterior canal | |||
| Gain | 0.87±0.17 | 0.99±0.12 | 0.017 |
| Abnormal gain | 2 | 0 | 0.487 |
| Presence of CS | 1 | 0 | >0.999 |
HTN, hypertension; DM, diabetes mellitus; COM, chronic otitis media; OM, otitis media; CWUM, canal wall up mastoidectomy; CWDM, canal wall down mastoidectomy.
Values are presented as mean±standard deviation. PTA3, mean PTA threshold at 500, 1,000, and 2,000 Hz. Paired Wilcoxon signed-rank test.
Values are presented as mean±standard deviation or number only. CS, corrective saccade (overt or covert). Wilcoxon signed-rank test, chi-square test, and paired t-test.