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Table 2 Antibiotic susceptibility pattern of the ceftazidime resistant Gram negative isolates (N = 159)

From: A hospital based surveillance of metallo-beta-lactamase producing gram negative bacteria in Nepal by imipenem-EDTA disk method

Antibiotics Enterobacteriaceae family (N = 100) P. aeruginosa
(N = 24)
Acinetobactercalcoac eticusbaumanii complex (N = 35)
S (%) I (%) R (%) S (%) I (%) R (%) S (%) I (%) R (%)
Amikacin 85 0 15 75 0 25 31.4 2.8 65.7
Ampicillin 0 0 100 NT NT NT NT NT NT
Ampicillin–sulbactam NT NT NT NT NT NT 31.4 2.8 65.7
Aztreonam NT NT NT 62.5 4.1 33.3 NT NT NT
Cefepime NT NT NT NT NT NT 11.4 0 88.5
Cefotaxime 11 0 89 NT NT NT 11.4 0 88.5
Ciprofloxacin 21 3 76 45.8 0 54.1 14.2 2.8 82.8
Co-trimoxazole 28 0 72 NT NT NT 31.4 2.8 65.7
Doxycycline NT NT NT NT NT NT 34.2 2.8 62.8
Gentamicin 34 1 65 54.1 0 45.8 37.1 0 62.8
Imipenem NT NT NT 91.6 0 8.3 68.5 5.7 25.7
Nitrofurantoin 91 0 9 NT NT NT NT NT NT
Ofloxacin 22 0 78 48 0 54.1 NT NT NT
Piperacillin NT NT NT 41.6 0 58.3 NT NT NT
Piperacillin–tazobactam NT NT NT 79.1 0 20.8 37.1 0 62.8
Polymixin B NT NT NT 100 0 0 NT NT NT
Tigecycline NT NT NT NT NT NT 85.7 0 14.2
  1. S sensitive, I intermediate, R resistant, NT not tested