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. 2022 Jan 1;42(1):36–46. doi: 10.3343/alm.2022.42.1.36

Table 1.

Distribution of the most prevalent carbapenemase genotypes according to carbapenemase-producing Enterobacteriaceae species

KPC NDM OXA-48-like



Rectal Clinical Subtotal Rectal Clinical Subtotal Rectal Clinical Subtotal
Klebsiella pneumoniae 239 (49.2) 115 (23.7) 354 (72.8) 114 (31.9) 124 (34.7) 238 (66.7) 217 (58.5) 93 (25.1) 310 (83.6)
Escherichia coli 29 (6.0) 8 (1.6) 37 (7.6) 16 (4.5) 5 (1.4) 21 (5.9) 18 (4.9) 4 (1.1) 22 (5.9)
Enterobacter cloacae 16 (3.3) 4 (0.8) 20 (4.1) 26 (7.3) 5 (1.4) 31 (8.7) 4 (1.1) 1 (0.3) 5 (1.3)
Citrobacter freundii 3 (0.6) 2 (0.4) 5 (1.0) 27 (7.6) 3 (0.8) 30 (8.4) 10 (2.7) 0 (0.0) 10 (2.7)
Klebsiella oxytoca 11 (2.3) 5 (1.0) 16 (3.3) 5 (1.4) 3 (0.8) 8 (2.2) 17 (4.6) 1 (0.3) 18 (4.9)
Serratia marcescens 10 (2.1) 9 (1.9) 19 (3.9) 1 (0.3) 8 (2.2) 9 (2.5) 0 (0.0) 0 (0.0) 0 (0.0)
Klebsiella aerogenes 12 (2.5) 3 (0.6) 15 (3.1) 2 (0.6) 0 (0.0) 2 (0.6) 2 (0.5) 1 (0.3) 3 (0.8)
Citrobacter koseri 11 (2.3) 2 (0.4) 13 (2.7) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Providencia rettgeri 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 12 (3.4) 12 (3.4) 0 (0.0) 0 (0.0) 0 (0.0)
Enterobacter hormaechei 1 (0.2) 1 (0.2) 2 (0.4) 1 (0.3) 0 (0) 1 (0.3) 0 (0.0) 0 (0.0) 0 (0.0)
Enterobacter kobei 2 (0.4) 0 (0.0) 2 (0.4) 1 (0.3) 0 (0.0) 1 (0.3) 0 (0.0) 0 (0.0) 0 (0.0)
Pantoea agglomerans 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.6) 0 (0.0) 2 (0.6) 0 (0.0) 0 (0.0) 0 (0.0)
Citrobacter braakii 1 (0.2) 0 (0.0) 1 (0.2) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.3) 0 (0.0) 1 (0.3)
Enterobacter asubriae 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Kluyvera ascorbate 0 (0.0) 1 (0.2) 1 (0.2) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.3) 0 (0.0) 1 (0.3)
Raoutella planticola 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.6) 0 (0.0) 2 (0.6) 0 (0.0) 0 (0.0) 0 (0.0)
Klebsiella ozaenae 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.3) 0 (0.0) 1 (0.3)
Klebsiella variicola 1 (0.2) 0 (0.0) 1 (0.2) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Total 336 (69.1) 150 (30.9) 486 (100.0) 197 (55.2) 160 (44.8) 357 (100) 271 (73.0) 100 (27.0) 371 (100)

Data are expressed as number (%).

Abbreviations: KPC, Klebsiella pneumoniae carbapenemase; NDM, New Delhi metallo-β-lactamase; OXA-48, oxacillinase-48.