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Table 1 Distribution of carbapenemase Amber classes and carbapenemase enzymes

From: Infection control and risk factors for acquisition of carbapenemase-producing enterobacteriaceae. A 5 year (2011–2016) case-control study

Amber class Enzyme No. Percentage (%)
A KPC 12 20.7
KPC + CTX-M1 3 5.2
KPC + AmpC 2 3.4
B NDM 5 8.6
NDM + CTX-M1 6 10.3
NDM + AmpC 1 1.7
VIM 3 5.2
VIM + CTX-M1 1 1.7
VIM + CTX-M1 + AmpC 1 1.7
D OXA-48 6 10.3
OXA-48 + CTX-M1 8 13.8
OXA-48 + CTX-M9 1 1.7
OXA-48 + AmpC 2 3.4
OXA-48 + CTX-M1 + AmpC 3 5.2
B + D NDM + OXA-48 2 3.4
NDM + OXA-48 + CTX-M1 1 1.7
NDM + OXA-48 + CTXM9 1 1.7
Total   58 100.0