Table 1 Antimicrobial susceptibility testing of E. Americana

Ampicillin

>=32

R

Ampicillin and/or Sulbactam

>=33

R

Cefazolin

>=64

R

Cefotetan

>=64

R

Ertapenem

>=8

R

Tobramycin

<=1

S

Trimethoprim and/or Sulfamethoxazole

80

R

Ceftazidime

<=1

S

Ceftriaxone

16

I

Cefepime

<=1

S

Aztreonam

4

S

Imipenem

<=1

S

Amikacin

<=2

S

Gentamicin

<=1

S

Ciprofloxacin

<=0.25

S

Piperacillin and/or Tazobactam

<=4

S

Nitrofurantoin

128

R

Levofloxacin

0.5

S