Phenotypic and Genotypic Characterization of Enterotoxigenic Escherichia coli Clinical Isolates from Northern Colombia, South America
Table 4
Level of antibiotic resistance among Colombian ETEC clinical isolates.
Antibiotics
ETEC isolates number (%)
Susceptible
Intermediate
Resistant
Cefazolin (CZ)
29 (72.5)
5 (12.5)
6 (15.0)
Ceftriaxone (CRO)
40 (100)
0 (0)
0 (0)
Ampicillin (AM)
8 (20.0)
5 (15.0)
27 (67.5)
Amoxicillin/clavulanic acid (AMC)
25 (62.5)
13 (32.5)
2 (5.0)
Ceftazidime (CAZ)
40 (100)
0 (0)
0 (0)
Cefuroxime (CXM)
39 (97.5)
1 (2.5)
0 (0)
Cefepime (FEP)
40 (100)
0 (0)
0 (0)
Ciprofloxacin (CIP)
40 (100)
0 (0)
0 (0)
Gentamicin (GM)
39 (97.5)
0 (0)
1 (2.5)
Meropenem (MEM)
39 (97.5)
0 (0)
1 (2.5)
Sulfamethoxazole (STX)
17 (42.5)
1 (2.5)
22 (55.0)
Piperacillin/tazobactam (TZP)
40 (100)
0 (0)
0 (0)
Four ETECs resistant to a single antibiotic (AM); 15 resistant to 2 antibiotics (AM and STX), 7 ETEC resistant to 3 antibiotics (AM-STX-CZ or AM-STX-GM or AM-STX-AMC), and a single ETEC resistant to 4 antibiotics (AM, STC, CZ, and AMC).
