TABLE 5.
Distribution of resistance patterns among Escherichia coli strains isolated from children with acute diarrhea in Tehran, Iran, from May 2003 to May 2005
| Antibiotics | STEC | EPEC | EAEC | ETEC | Total | Percentage ofE coliisolates |
|---|---|---|---|---|---|---|
| AMP, TET, SXT, STR | 0 | 1 | 1 | 0 | 2 | 1.3 |
| AMP, AMC, SXT, STR | 3 | 0 | 1 | 1 | 5 | 3.3 |
| AMP, AMC, CHL, SXT | 1 | 0 | 0 | 0 | 1 | 0.7 |
| AMP, AMC, TET, SXT | 1 | 0 | 1 | 0 | 2 | 1.3 |
| AMP, AMC, TET, STR | 0 | 0 | 0 | 1 | 1 | 0.7 |
| AMP, AMC, CHL, TET | 5 | 0 | 1 | 0 | 6 | 3.9 |
| CHL, TET, SXT, STR | 1 | 0 | 0 | 0 | 1 | 0.7 |
| AMP, CHL, TET, STR | 1 | 0 | 0 | 0 | 1 | 0.7 |
| AMP, AMC, CHL, TET, STR | 2 | 0 | 0 | 0 | 2 | 1.3 |
| AMP, CHL, TET, SXT, STR | 0 | 0 | 2 | 0 | 2 | 1.3 |
| AMP, AMC, CHL, SXT, STR | 0 | 0 | 3 | 0 | 3 | 2.0 |
| AMP, AMC, TET, SXT, STR | 1 | 0 | 2 | 1 | 4 | 2.6 |
| CHL, TET, SXT, AMC, STR | 1 | 0 | 0 | 0 | 1 | 0.7 |
| AMP, AMC, CHL, NAL, TET, SXT | 1 | 0 | 0 | 0 | 1 | 0.7 |
| AMP, CHL, NAL, TET, SXT, STR | 0 | 0 | 1 | 0 | 1 | 0.7 |
| AMP, AMC, CHL, TET, SXT, STR | 15 | 1 | 5 | 0 | 21 | 13.7 |
| AMP, AMC, CHL, GEN, TET, SXT, STR | 0 | 0 | 0 | 1 | 1 | 0.7 |
| AMP, AMC, GEN, NAL, TET, SXT, STR | 0 | 0 | 1 | 1 | 2 | 1.3 |
| AMP, AMC, CAZ, GEN, CIP, TET, SXT, STR | 0 | 0 | 0 | 1 | 1 | 0.7 |
| AMP, AMC, CAZ, GEN, NAL, CIP, TET, SXT, STR | 0 | 0 | 1 | 3 | 4 | 2.6 |
| Total | 32 | 2 | 19 | 9 | 62 | 40.4 |
AMC Amoxicillin-clavulanic acid; AMP Ampicillin; CAZ Ceftazidime; CHL Chloramphenicol; CIP Ciprofloxacin; CRO Ceftriaxone; EAEC Enteroaggregative Escherichia coli; EPEC Enteropathogenic E coli; ETEC Enterotoxigenic E coli; GEN Gentamicin; NAL Naldixic acid; SAM Ampicillin-sulbactam; STEC Shiga toxin-producing E coli; STR Streptomycin; SXT Trimethoprim-sulfamethoxazole; TET Tetracycline