Table 7:
Comparing mean labyrinthitis ossificans grade by surgerya
| Mean (SE) |
P Value | ||
|---|---|---|---|
| No Surgery (n = 47) | Surgery (n = 11) | ||
| Apical turn of cochleab | 0.74 (0.24) | 1.07 (0.51) | .553 |
| Middle turn of cochleab | 0.74 (0.23) | 1.41 (0.49) | .223 |
| Basal turn of cochleab | 0.84 (0.23) | 2.07 (0.48) | .027 |
| Vestibule | 0.30 (0.16) | 1.67 (0.33) | .001 |
| Lateral semicircular canal | 1.49 (0.15) | 3.04 (0.32) | <.001 |
| Posterior semicircular canal | 0.99 (0.20) | 2.44 (0.43) | .004 |
| Superior semicircular canal | 0.75 (0.22) | 2.13 (0.45) | .008 |
a
LO grade for each structure within the membranous labyrinth is reported stratified by risk factor. P value is from a mixed-effects model.
b
Analysis is based on 57 ears (47 with no prior temporal bone surgery and 10 with prior temporal bone surgery).