Temporal Bone Osteomyelitis: The Relationship with Malignant Otitis Externa, the Diagnostic Dilemma, and Changing Trends
Table 1
Comparison among group 1, group 2, group 2-only patients without previous operation (group 2 without op), and group 2-only patients with previous operation (group 2 with op).
Group 1 ()
Group 2 ()
Group 2 without op ()
Group 2 with op ()
Significance
Group 1 versus group 2
Group 1 versus group 2 without op
Group 1 versus group 2 with op
Group 2 without op versus group 2 with op
Clinical features
Age (mean ± SD), years
0.454
0.044
0.351
0.021
Gender (M/F)
13/7
21/14
15/5
6/9
0.779
0.731
0.182
0.080
Diabetes
19 (95.0%)
16 (45.7%)
12 (60.0%)
4 (26.7%)
<0.001
0.020
<0.001
0.087
Previous surgery
0 (0%)
15 (42.9%)
0 (0%)
15 (100%)
<0.001
—
—
—
Otalgia (pain)
19 (95.0%)
22 (62.9%)
19 (95.0%)
3 (20%)
0.010
1.000
<0.001
<0.001
Otorrhea (exudate)
18 (90%)
30 (85.7%)
16 (80.0%)
14 (93.3%)
1.000
0.661
1.000
0.365
Otitis externa (swelling)
20 (100%)
16 (45.7%)
14 (70.0%)
2 (13.3%)
<0.001
0.020
<0.001
0.069
Granulation over EAC
16 (80%)
11 (31.4%)
9 (45.0%)
2 (13.3%)
0.001
0.048
<0.001
0.002
CN involvement
4 (20%)
5 (14.3%)
5 (25.0%)
1 (6.7%)
0.709
1.000
0.680
0.672
Microbiology
P. aeruginosa
11 (55%)
9 (25.7%)
9 (45.0%)
0 (0%)
0.043
0.752
0.001
0.004
MRSA
5 (25%)
14 (40.0%)
7 (35.0%)
7 (46.7%)
0.378
0.731
0.282
0.511
Negative culture
2 (10%)
3 (8.6%)
1 (5.0%)
2 (13.3%)
1.000
1.000
1.000
0.565
Bold type denotes statistically significant difference ().
