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Table. 2.

Table. 2.

Distribution of carbapenemase-producing Enterobacteriaceae

Hospital A Hospital B Hospital C Hospital D




Rectal Clinical Subtotal Rectal Clinical Subtotal Rectal Clinical Subtotal Rectal Clinical Subtotal
Klebsiella pneumoniae 133 (21.6) 42 (6.8) 175 (28.5) 19 (17.3) 18 (16.4) 37 (33.6) 72 (4.4) 49 (3.0) 121 (7.4) 15 (21.4) 6 (8.6) 21 (30.0)
Escherichia coli 22 (3.6) 3 (0.5) 25 (4.1) 3 (2.7) 2 (1.8) 5 (4.5) 4 (0.2) 3 (0.2) 7 (0.4) 0 (0.0) 0 (0.0) 0 (0.0)
Enterobacter cloacae 16 (2.6) 4 (0.7) 20 (3.3) 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)
Serratia marcescens 10 (1.6) 9 (1.5) 19 (3.1) 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)
Klebsiella oxytoca 8 (1.3) 0 (0.0) 8 (1.3) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.1) 5 (0.3) 7 (0.4) 1 (1.4) 0 (0.0) 1 (1.4)
Klebsiella aerogens 8 (1.3) 1 (0.2) 9 (1.5) 3 (2.7) 2 (1.8) 5 (4.5) 1 (0.1) 0 (0.0) 1 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
Citrobacter koseri 10 (1.6) 2 (0.3) 12 (2.0) 1 (0.9) 0 (0.0) 1 (0.9) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Citrobacter freundii 3 (0.5) 0 (0.0) 3 (0.5) 0 (0.0) 2 (1.8) 2 (1.8) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0)
Enterobacter hormaechei 1 (0.2) 1 (0.2) 2 (0.3) 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)
Enterobacter kobei 2 (0.3) 0 (0.0) 2 (0.3) 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)
Citrobacter braakii 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) 0 (0.0) 0 (0.0) 0 (0.0)
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) 0 (0.0) 0 (0.0) 0 (0.0)
KPC 215 (35.0) 63 (10.2) 278 (45.2) 26 (23.6) 24 (21.8) 50 (45.5) 79 (4.8) 57 (3.5) 136 (8.3) 16 (22.9) 6 (8.6) 22 (31.4)
Klebsiella pneumoniae 4 (0.7) 0 (0.0) 4 (0.7) 2 (1.8) 0 (0) 2 (1.8) 106 (6.5) 124 (7.6) 230 (14.1) 1 (1.4) 0 (0.0) 2 (2.9)
Enterobacter cloacae 2 (0.3) 0 (0.0) 2 (0.3) 0 (0.0) 2 (1.8) 2 (1.8) 24 (1.5) 3 (0.2) 27 (1.7) 0 (0.0) 0 (0.0) 0 (0.0)
Citrobacter freundii 0 (0.0) 1 (0.2) 1 (0.2) 0 (0.0) 0 (0.0) 0 (0.0) 26 (1.6) 2 (0.1) 28 (1.7) 1 (1.4) 0 (0.0) 1 (1.4)
Escherichia coli 5 (0.8) 0 (0.0) 5 (0.8) 0 (0.0) 0 (0.0) 0 (0.0) 5 (0.3) 3 (0.2) 8 (0.5) 6 (8.6) 2 (2.9) 8 (11.4)
Providencia rettgeri 0 (0.0) 11 (1.8) 11 (1.8) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 1 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
Serratia marcescens 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 8 (0.5) 9 (0.6) 0 (0.0) 0 (0.0) 0 (0.0)
Klebsiella oxytoca 1 (0.2) 1 (0.2) 2 (0.3) 0 (0.0) 0 (0.0) 0 (0.0) 3 (0.2) 2 (0.1) 5 (0.3) 1 (1.4) 0 (0.0) 1 (1.4)
Klebsiella aerogenes 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.1) 0 (0.0) 2 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
Pantoea agglomerans 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.1) 0 (0.0) 2 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
Raoutella planticola 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.1) 0 (0.0) 2 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
Enterobacter hormaechei 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) 1 (1.4) 0 (0.0) 1 (1.4)
Enterobacter kobei 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 0 (0.0) 1 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
NDM 12 (2.0) 13 (2.1) 25 (4.1) 2 (1.8) 2 (1.8) 4 (3.6) 172 (10.5) 143 (8.8) 315 (19.3) 11 (15.7) 2 (2.9) 13 (18.6)
Klebsiella pneumoniae 2 (0.3) 0 (0.0) 2 (0.3) 0 (0.0) 0 (0.0) 0 (0.0) 215 (13.2) 93 (5.7) 308 (18.9) 0 (0.0) 0 (0.0) 0 (0.0)
Escherichia coli 1 (0.2) 1 (0.2) 2 (0.3) 1 (0.9) 0 (0.0) 1 (0.9) 16 (1.0) 3 (0.2) 19 (1.2) 0 (0.0) 0 (0.0) 0 (0.0)
Klebsiella oxytoca 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 17 (1.0) 1 (0.1) 18 (1.1) 0 (0.0) 0 (0.0) 0 (0.0)
Citrobacter freundii 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 10 (0.6) 0 (0.0) 10 (0.6) 0 (0.0) 0 (0.0) 0 (0.0)
Enterobacter cloacae 1 (0.2) 0 (0.0) 1 (0.2) 0 (0.0) 0 (0.0) 0 (0.0) 3 (0.2) 1 (0.1) 4 (0.2) 0 (0.0) 0 (0.0) 0 (0.0)
Klebsiella aerogenes 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 2 (0.1) 1 (0.1) 3 (0.2) 0 (0.0) 0 (0.0) 0 (0.0)
Citrobacter braakii 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 0 (0.0) 1 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
Kluyvera ascorbate 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 0 (0.0) 1 (0.1) 0 (0.0) 1 (0.1) 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 (0.1) 0 (0.0) 1 (0.1) 0 (0.0) 0 (0.0) 0 (0.0)
OXA-48-like 4 (0.7) 1 (0.2) 5 (0.8) 1 (0.9) 0 (0.0) 1 (0.9) 266 (16.3) 99 (6.1) 365 (22.4) 0 (0.0) 0 (0.0) 0 (0.0)
Total 462 (75.1) 153 (24.9) 615 (100.0) 58 (52.7) 52 (47.3) 110 (100) 1,034 (63.4) 598 (36.6) 1,632 (100.0) 53 (75.7) 16 (22.9) 70 (100.0)

Data are expressed as number (%).

Abbreviations: KPC, Klebsiella pneumoniae carbapenemase; NDM, New Delhi metallo-β-lactamase; OXA-48, oxacillinase-48; Hospitals A, Kangnam Sacred Heart Hospital; B, Hangang Sacred Heart Hospital; C, Hallym University Sacred Heart Hospital; D, Dongtan Sacred Heart Hospital.

Ann Lab Med 2022;42:36~46

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