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Table 4 Pattern of distribution of carbapenemase enzymes by using MAST-Carba plus

From: Ceftazidime-Avibactam plus aztreonam synergistic combination tested against carbapenem-resistant Enterobacterales characterized phenotypically and genotypically: a glimmer of hope

Klebsiella species (n = 80)

E. coli (n = 20)

Carbapenemase enzymes

Total no. of isolates (%)

Carbapenemase enzymes

Total no. of isolates (%)

OXA-48, and Metallo β-lactamases

38 (47.5%)

Metallo β-lactamases, and KPC

6 (30%)

Metallo β-lactamases

30 (37.5%)

Metallo β-lactamases

5 (25%)

OXA-48, Metallo β-lactamases, and KPC

4 (5%)

OXA-48, and Metallo β-lactamases

4 (20%)

OXA-48

4 (5%)

OXA-48, Metallo β-lactamases, and KPC

3 (15%)

None

2 (2.5%)

OXA-48, and KPC

1 (5%)

Metallo β-lactamases, and KPC

1 (1.25%)

OXA-48, Metallo β-lactamases, KPC, and Amp C

1 (5%)

KPC

1 (1.25%)