Research Article

Cockroaches as a Source of High Bacterial Pathogens with Multidrug Resistant Strains in Gondar Town, Ethiopia

Table 2

Resistance rates of bacterial isolates identified from cockroaches, Gondar, 2014.

Bacterial isolates Antibiotics
GENSXTTECAMCCIPNACTRCAZMETVANPENERY

S. aureus 000000NTNTNT0014 (100)0
CNS 02 (28.6)1 (14.3)000NTNTNT007 (100)1 (14.3)
E. coli 3 (10.3)4 (13.8)4 (13.8)2 (6.9)4 (13.8)03 (10.3)3 (10.3)4 (13.8)NTNTNTNT
Citrobacter spp. 2 (7.4)8 (29.6)8 (29.6)6 (22.2)11 (40.7)01 (3.7)6 (22.2)9 (33.3)NTNTNTNT
Enterobacter spp. 6 (28.6)8 (38.1)5 (23.8)5 (23.8)9 (42.9)01 (4.8)5 (23.8)7 (33.3)NTNTNTNT
K. pneumoniae 11 (34.4)17 (53.1)14 (43.8)5 (15.6)NT0010 (31.3)13 (40.6)NTNTNTNT
Other Klebsiella spp. 0001 (14.3)3 (42.9)0000NTNTNTNT
Shigella spp. 6 (46.2)10 (76.9)7 (53.8)9 (69.2)2 (15.4)01 (7.7)7 (53.8)9 (69.2)NTNTNTNT
Providencia spp.6 (37.5)6 (37.5)NT011 (68.8)2 (12.5)2 (12.5)4 (25)4 (25)NTNTNTNT
Serratia spp. 01 (11.1)001 (11.1)001 (11.1)1 (11.1)NTNTNTNT
Proteus spp. 00NT2 (100)00000NTNTNTNT
Salmonella spp. 3 (75)4 (100)3 (75)3 (75)0003 (75%)3 (75%)NTNTNTNT

Total ()37 (20.4)60 (33.1)42 (25.8)33 (18.2)41 (27.5)2 (1.1)8 (5)39 (24.4)50 (31.3)0021 (100)1 (4.8)

NT, not tested; NT isolates were not included in the denominator; GEN, gentamycin; SXT, cotrimoxazole; TE, tetracycline; C, chloramphenicol; AMC, amoxicillin-clavulanic acid; CIP, ciprofloxacin; NA, nalidixic acid; CTR, ceftriaxone; CAZ, ceftazidime; MET, methicillin; VAN, vancomycin; PEN, penicillin; ERY, erythromycin; S. aureus, Staphylococcus aureus; CNS, coagulase negative staphylococci; E. coli, Escherichia coli; Enterobacter species, Enterobacter cloacae and aerogenes; K. pneumoniae, Klebsiella pneumoniae; other Klebsiella species, Klebsiella ozaenae and rhinoscleromatis.