Table 5.
Antimicrobial resistance patterns of Diarrheagenic Escherichia coli (DEC) isolates
| Antimicrobial | DEC | EAEC | ETEC | EPEC | STEC | P a | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| (n = 177) | (n = 104) | (n = 40) | (n = 24) | (n = 7) | |||||||
| %R | %S | %R | %S | %R | %S | %R | %S | %R | %S | ||
| AMP | 93.2 | 2.8 | 96.2 | 1.9 | 95.0 | 0 | 83.3 | 4.2 | 71.4 | 28.6 | 0.055 |
| TCY | 60.0 | 38.3 | 61.5 | 38.5 | 55.0 | 37.5 | 79.2 | 20.8 | 0 | 100 | 0.258 |
| CZO | 57.7 | 26.9 | 55.8 | 27.9 | 55.0 | 27.5 | 79.2 | 20.8 | 28.6 | 28.6 | 0.093 |
| SXT | 57.2 | 39.5 | 63.5 | 33.7 | 55.0 | 37.5 | 50.0 | 50.0 | 0 | 100 | 0.467 |
| PIP | 51.4 | 32.5 | 49.0 | 31.7 | 55.0 | 27.5 | 62.5 | 33.3 | 28.6 | 71.4 | 0.209 |
| CXM | 46.3 | 50.3 | 51.0 | 49.0 | 37.5 | 55.0 | 45.8 | 54.2 | 28.6 | 28.6 | 0.347 |
| SAM | 45.1 | 37.1 | 42.3 | 36.5 | 55.0 | 37.5 | 45.8 | 29.2 | 28.6 | 71.4 | 0.392 |
| CTX | 42.3 | 54.9 | 49.0 | 51.0 | 27.5 | 62.5 | 41.7 | 54.2 | 28.6 | 71.4 | 0.064 |
| GEN | 35.4 | 60.0 | 36.5 | 59.6 | 37.5 | 55.0 | 37.5 | 58.3 | 0 | 100 | 0.992 |
| ATM | 21.7 | 68.6 | 27.9 | 63.5 | 10.0 | 90.0 | 20.8 | 54.2 | 0 | 71.4 | 0.070 |
| CIP | 17.7 | 79.4 | 23.1 | 72.1 | 7.5 | 92.5 | 16.7 | 83.3 | 0 | 100 | 0.095 |
| CAZ | 14.8 | 85.2 | 19.2 | 80.8 | 10.0 | 90.0 | 8.3 | 91.7 | 0 | 100 | 0.226 |
| AMC | 12.0 | 69.1 | 14.4 | 72.1 | 10.0 | 62.5 | 0.0 | 66.7 | 28.6 | 71.4 | 0.127 |
| FEP | 11.4 | 76.5 | 14.4 | 74.0 | 10.0 | 72.5 | 4.2 | 95.8 | 0 | 71.4 | 0.343 |
| FOX | 5.1 | 93.7 | 6.7 | 91.3 | 0 | 100 | 0 | 100 | 28.6 | 71.4 | 0.106 |
| TZP | 4.0 | 90.9 | 6.7 | 85.6 | 0 | 100 | 0 | 95.8 | 0 | 100 | 0.106 |
| CSL | 2.3 | 74.3 | 3.8 | 72.1 | 0 | 72.5 | 0 | 79.2 | 0 | 100 | 0.283 |
| AMK | 1.1 | 93.7 | 1.9 | 93.3 | 0 | 90.0 | 0 | 100 | 0 | 100 | 0.536 |
| IPM | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | NAb |
| MEM | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | 0 | 100 | NAb |
EAEC enteroaggregative E. coli, ETEC enterotoxigenic E. coli, EPEC enteropathogenic E. coli, STEC Shiga toxin-producing E. coli, R Resistance, S susceptibility, AMP Ampicillin, TCY Tetracycline, CZO Cefazolin, SXT Trimethoprim-Sulfamethoxazole, PIP Piperacillin, CXM Cefuroxime, SAM Ampicillin-Sulbactam, CTX Cefotaxime, GEN Gentamicin, ATM Aztreonam, CIP Ciprofloxacin, CAZ Ceftazidime, AMC Amoxicillin-Clavulanicacid, FEP Cefepime, FOX Cefoxitin, TZP Piperacillin-Tazobactam, CSL Cefoperazone-Sulbactam, AMK Amikacin, IPM Imipenem, MEM Meropenem. Data on Enteroinvasive E. coli and Coinfection are not shown because of small numbers
aFor comparison of the resistance percentage among the different pathotypes of Diarrheagenic E. coli. STEC does not include, because of too few
bNA, not applicable