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Table 4 Drug resistance rates to antibiotics by ESBL-producing and non-ESBL producing KP strains

From: Clinical and computed tomography features of extended-spectrum β-lactamase-producing Klebsiella pneumoniae liver abscess

Antibiotics ESBL (+)
n = 14
ESBL (−)
n = 86
P
Amikacin 0 0 1
Gentamicin 50% 1.16% < 0.001
Levofloxacin 21.43% 3.49% 0.009
Ciprofloxacin 42.86% 2.33% < 0.001
Imipenem 0 0.00% 1
Meropenem 0 0.00% 1
Aztreonam 71.43% 2.33% < 0.001
Ampicillin 100% 83.72% 0.105
Ampicillin/Sulbactam 57.14% 1.16% < 0.001
Cefepime 50% 3.49% < 0.001
Cefuroxime 35.71% 2.33% < 0.001
Cefoxitin 7.14% 2.33% 0.33
Cefazolin 92.86% 6.98% < 0.001
Ceftriaxone 71.43% 1.16% 0.001
Ceftazidime 50% 0.00% < 0.001
Tetracycline 21.43% 5.81% 0.047
Nitrofurantoin 21.43% 5.81% 0.047
Chloramphenicol 85.71% 8.14% < 0.001
Cefmetazole 0 0.00% 1
Trimethoprim/sulfamethoxazole 50% 6.98% < 0.001