Temporal Bone Osteomyelitis: The Relationship with Malignant Otitis Externa, the Diagnostic Dilemma, and Changing Trends
Table 2
Comparison among patients with P. aeruginosa infection, non-P. aeruginosa infection, non-P. aeruginosa infection-only patients without previous ear operation (non-P. aeruginosa infection without op), and non-P. aeruginosa infection-only patients with previous ear operation (non-P. aeruginosa infection with op).
P. aeruginosa
()
Non-P. aeruginosa ()
Non-P. aeruginosa without op ()
Non-P. aeruginosa with op ()
Significance
P. aeruginosa versus non-P. aeruginosa
P. aeruginosa versus non-P. aeruginosa without op
P. aeruginosa versus non-P. aeruginosa with op
Non-P. aeruginosa without op versus non-P. aeruginosa with op
Clinical features
Age (mean ± SD), years
0.976
0.242
0.252
0.029
Gender (M/F)
13/7
21/14
15/5
6/9
0.779
0.731
0.182
0.080
Diabetes
16 (80%)
19 (54.3%)
15 (75%)
4 (26.7%)
0.082
1.000
0.002
0.007
Previous surgery
0 (0%)
15 (42.9%)
0 (0%)
15 (100%)
<0.001
—
—
—
Otalgia (pain)
20 (100%)
21 (60.0%)
18 (90%)
3 (20%)
0.001
0.487
<0.001
<0.001
Otorrhea (exudate)
20 (100%)
28 (80.0%)
14 (70%)
14 (93.3%)
0.04
0.020
0.429
0.199
Otitis externa (swelling)
17 (85%)
19 (54.3%)
17 (85%)
2 (13.3%)
0.038
1.000
<0.001
<0.001
Granulation over EAC
13 (65%)
14 (40.0%)
12 (60%)
2 (13.3%)
0.097
1.000
0.005
0.007
CN involvement
3 (15%)
5 (14.3%)
4 (20%)
1 (6.7%)
1.000
1.000
0.619
0.365
Bold type denotes statistically significant difference ().
