Table 1 Antimicrobial susceptibility of ECB.

From: Extended-spectrum beta-lactamases found in Escherichia coli isolates obtained from blood cultures and corresponding stool specimen

Antimicrobial agent

Susceptible

Intermediate

Resistant

Ampicillin

0/116 (0%)

0/116 (0%)

116/116 (100%)

Ampicillin/sulbactam

3/116 (2.6%)

17/116 (14.7%)

96/116 (82.8%)

Piperacillin

0/117 (0%)

0/117 (0%)

117/117 (100%)

Piperacillin/tazobactam

95/117 (81.2%)

7/117 (6.0%)

15/117 (12.8%)

Cefuroxime

0/116 (0%)

1/116 (0.9%)

115/116 (99.1%)

Cefotaxime

3/117 (2.6%)

2/117 (1.7%)

112/117 (95.7%)

Ceftazidime

6/117 (5.1%)

38/1117 (32.5%)

73/117 (62.4%)

Aztreonam

2/110 (1.8%)

12/110 (10.9%)

96/110 (87.3%)

Imipenem

117/117 (100%)

0/117 (0%)

0/117 (0%)

Meropenem

117/117 (100%)

0/117 (0%)

0/117 (0%)

Gentamicin

97/117 (82.9%)

1/117 (0.9%)

19/117 (16.2%)

Amikacin

114/117 (97.4%)

3/117 (2.6%)

0/117 (0%)

Tobramycin

74/107 (69.2%)

3/107 (2.8%)

30/107 (28.0%)

Colistin

116/117 (99.1%)

0/117 (0%)

1/117 (0.9%)

Fosfomycin

103/111 (92.8%)

0/111 (0%)

8/111 (7.2%)

Ciprofloxacin

28/117 (23.9%)

2/117 (1.7%)

87/117 (74.4%)

Levofloxacin

29/116 (26.7%)

1/116 (5.2%)

79/116 (68.1%)

Moxifloxacin

29/117 (24.8%)

1/117 (0.9%)

87/117 (74.4%)

Cotrimoxazol

46/117 (39.3%)

2/117 (1.7%)

69/117 (59.0%)

Tigecycline

62/63 (98.4%)

0/63 (0%)

1/63 (1.6%)