Antibiotic-Resistant Bacteria Are Major Threats of Otitis Media in Wollo Area, Northeastern Ethiopia: A Ten-Year Retrospective Analysis

Table 2

Ten-year retrospective analysis of bacterial isolates from ear discharges.

Bacteria isolated	Frequency	Percentage (%)
Proteus spp.	324	28.8
S. aureus	266	23.7
Pseudomonas spp.	193	17.2
E. coli	184	16.4
Citrobacter spp.	66	5.9
Enterobacter spp.	53	4.7
Klebsiella spp.	32	2.8
S. epidermidis	5	0.4
S. pneumoniae	1	0.1
Total	1124	100