Organism Antimicrobial agents, N (%)
AMP AML A E MET DO DA VA CIP CRO CN K TTC TMP-SMX C
E. coli 96.3 100 70.4 ND ND ND ND ND 29.6 55.6 59.2 70.4 77.8 88.9 92.6
S.aureus 80.8 96.2 50.0 50 34.6 53.8 11.5 nil 42.3 50 61.5 61.5 34.6 65.4 61.5
CoNs* 86.3 81.8 63.6 54.5 77.3 90.9 13.6 4.5 40.9 68.2 59.1 54.5 68.2 81.8 90.9
Enterobacter spp. 90.9 100.0 63.6 ND* ND ND ND ND nil 54.6 54.6 45.5 27.3 81.8 45.5
K. pneumonia 100.0 100.0 66.7 ND ND ND ND ND 33.3 83.3 33.3 50 50.0 83.3 66.7
M. morganii 100.0 100.0 16.7 ND ND ND ND ND 16.7 16.7 33.3 33.4 66.7 83.3 33.3
P. mirabilis 75.0 100.0 50 ND ND ND ND ND nil 75.0 25.0 100 75.0 nil 100.0
S. arizonae 75.0 100.0 100 ND ND ND ND ND nil 50.0 50.0 25.0 50.0 50.0 50.0
P.aeruginosa 100.0 100.0 66.7 ND ND ND ND ND 33.3 100 66.7 100.0 100.0 100.0 100.0
Edwardsiella spp. 100.0 100.0 100.0 ND ND ND ND ND nil nil 100 100.0 100.0 100.0 100.0
Other gram-positive aerobes 100.0 100.0 100.0 100.0 100.0 100.0 nil nil 100.0 100 100.0 100.0 nil 100.0 100.0
Total 89.2 95.5 61.3 53.0 55.0 69.4 12.0 2.0 29.7 57.7 55.9 60.4 57.7 80.2 74.8
* CoNs: Coagulase Negative Staphylococci; ND = not done; AMP: Ampicillin; AML: Amoxicillin; A: Amikacin; E: Erythromycin; MET: Methicillin; DO: Doxycycline; DA: Clindamycin; VA: Vancomycin; CIP: Ciprofloxacin; CRO: Ceftriaxone; CN: Gentamicin; K: Kanamycin; TTC: Tetracycline; TMP-SMX: Trimethoprim-sulphamethoxazole; C: Chloramphenicol; nil: all are sensitive.
Table 5: Resistance Patterns (in percentages) of bacteria isolated from surgical site wounds at Gondar University Teaching Hospital, 2010.