Table 7:

Comparing mean labyrinthitis ossificans grade by surgerya

Mean (SE)P Value
No Surgery (n = 47)Surgery (n = 11)
Apical turn of cochleab0.74 (0.24)1.07 (0.51).553
Middle turn of cochleab0.74 (0.23)1.41 (0.49).223
Basal turn of cochleab0.84 (0.23)2.07 (0.48).027
Vestibule0.30 (0.16)1.67 (0.33).001
Lateral semicircular canal1.49 (0.15)3.04 (0.32)<.001
Posterior semicircular canal0.99 (0.20)2.44 (0.43).004
Superior semicircular canal0.75 (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).