Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2.
Group 1 Mastoid cells Mastoid cells Mastoid cells Petrous apex Petrous apex Perilabyrinthine cells Perilabyrinthine cells
Fully-pneumatized Diploic Sclerotic Pneumatized Non- Pneumatized Pneumatized Non- Pneumatized
Healthy-side (n=51) 62.7% 29.4% 7.9% 25.5% 74.5% 43.1% 56.9%
Diseased-side (n=51) 51.0% 37.3% 11.7% 27.5% 72.5% 25.5% 74.5%
p-value 0.474 0.474 0.474 0.822 0.822 0.061 0.061
Group 1: COM with isolated tympanic membrane perforation Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Table 2: Comparison of the mastoid pneumatization in the healthy and the diseased ears in the group 2. Group 2 Mastoid cells Mastoid cells Mastoid cells Petrous apex Petrous apex Perilabyrinthine cells Perilabyrinthine cells Fully-pneumatized Diploic Sclerotic Pneumatized Non- Pneumatized Pneumatized Non- Pneumatized Healthy-side (n=50) 48% 42% 10% 42% 58% 38% 62% Diseased-side (n=50) 24% 30% 46% 20% 80% 18% 82% p-value <0.001 <0.001 <0.001 0.017 0.017 0.026 0.026 Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket Group 2: COM with cholesteatoma/retraction pocket