Serotyping and Antimicrobial Susceptibility Pattern of Escherichia coli Isolates from Urinary Tract Infections in Pediatric Population in a Tertiary Care Hospital

Table 2

Antimicrobial resistance profile among E. coli isolates.

E. coli ()	Resistance (%)	Typable strains ()	Nontypable strains ()
Ampicillin	73 (97.3%)	33 (100%)	40 (95.2%)
Gentamicin	35 (46.7%)	15 (45.4%)	20 (47.6%)
Amikacin	12 (16%)	6 (18.2%)	6 (14.3%)
Amoxicillin/clavulanate	72 (96%)	32 (97%)	40 (95.2%)
Trimethoprim-sulfamethoxazole	63 (84%)	26 (78.8%)	37 (88.1%)
Nitrofurantoin	4 (5.3%)	2 (6%)	2 (4.7%)
Nalidixic acid	74 (98.7%)	33 (100%)	41 (97.6%)
Cefotaxime	61 (81.3%)	30 (90.9%)	31 (73.8%)
Piperacillin/tazobactam	10 (13.3%)	5 (15.1%)	5 (11.9%)
Meropenem	1 (1.3%)	1 (3%)	0 (0%)
ESBL	36 (48%)	19 (57.6%)	17 (40.5%)

ESBL: extended spectrum beta lactamase.