Temporal Bone Osteomyelitis: The Relationship with Malignant Otitis Externa, the Diagnostic Dilemma, and Changing Trends

Table 3

Patient characteristics between patients with and without history of previous otologic surgery.

	Previous surgery (𝑛=15)	No previous surgery (𝑛=40)	Significance
Clinical features
Age (mean ± SD), years	60.1±15.7	68.0±11.9	𝑃=0.05
Gender (M/F)	6/9	28/12	𝑃=0.062
Diabetes	4 (26.7%)	31 (77.5%)	𝑃=0.001
Otalgia (pain)	3 (20%)	38 (95.0%)	𝑃<0.001
Otorrhea (exudate)	14 (93.3%)	34 (85.0%)	NS
Otitis externa (swelling)	2 (13.3%)	34 (85.0%)	𝑃<0.001
Granulation over EAC	2 (13.3%)	25 (62.5%)	𝑃=0.002
CN involvement	1 (6.7%)	7 (17.5%)	NS
Microbiology
Pseudomonas aeruginosa	0 (0%)	20 (50.0%)	𝑃<0.001
MRSA	7 (46.7%)	12 (30.0%)	NS
NTM	3 (20%)	1 (2.5%)	𝑃=0.057
Negative	2 (13.3%)	3 (7.5%)	NS