Bacteria isolated  Case Type  
Emergency   No (%) Elective No (%) Total No (%)   X2
S. aureus 21 (80.8) 5 (19.2) 26 (100.0) 0.65
CoNS 14 (63.6) 8 (37.0) 22 (100.0) 1.80
E. coli 17 (63.0) 10 (37.0) 27 (100.0) 2.64
P. aeruginosa 3 (100.0) - 3 (100.0) ND
K. pneumoniae 4 (66.7) 2 (33.3) 6 (100.0) -
P. mirabilis 3 (75.0) 1 (25.0) 4 (100.0) -
Enterobacter spp. 10 (90.9) 1 (9.2) 11 (100.0) -
S. arizonae 4 (100.0) - 4 (100.0) ND
Edwardsiella spp. 1 (100.0) - 1 (100.0) ND
M. morganii 6 (100.0) - 6 (100.0) ND
Other gram-positive aerobes  - 1 (100.0) 1 (100.0) ND
Total§ 83(74.8) 28(25.2) 111(100.0) 54.5
 § P<0.05
Table 3: Bacterial distribution based on case type among surgical and gynecology & obstetrics wards at Gondar University Teaching Hospital, 2010