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Table 1 Details of Enterobacterales isolates characterized by PCR

From: Multiplex lateral flow immunochromatographic assay is an effective method to detect carbapenemases without risk of OXA-48-like cross reactivity

Organism tested

No. of isolates

KPC

NDM

OXA-48-like

VIM

IMP

IMI

SME

Combination

Non-CP CRE

CSE

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

n (%)

(n, %)

n (%)

K. pneumoniae

77 (39.1)

32 (68.1)

6 (24.0)

16 (40.0)

8 (42.1)

   

OXA-48-like + NDM (2, 13.3)

11 (40.7)

 
   

KPC + VIM (1, 6.7)

   

VIM + NDM + OXA-48-like (1, 6.7)

E. coli

52 (26.4)

5 (10.6)

7 (28.0)

21 (52.5)

2 (10.4)

1 (100.0)

  

KPC + NDM (7, 46.6)

7 (25.9)

 
  

OXA-48-like + NDM (2, 13.3)

 

E. cloacae

13 (6.6)

2 (4.3)

3 (12.0)

 

6 (31.6)

 

1 (33.3)

 

KPC + NDM (1, 6.7)

  

Enterobacter spp.

10 (5.1)

1 (2.1)

 

1 (2.5)

1 (5.3)

 

2 (66.7)

 

OXA-48-like + NDM (1, 6.7)

4 (14.9)

 

Citrobacter spp.

6 (3.1)

3 (6.4)

3 (12.0)

        

K. oxytoca

6 (3.1)

1 (2.1)

2 (8.0)

1 (2.5)

1 (5.3)

    

1 (3.7)

 

Proteus spp.

4 (2.0)

 

2 (8.0)

1 (2.5)

     

1 (3.7)

 

E. aerogenes

1 (0.5)

        

1 (3.7)

 

Providencia spp.

3 (1.5)

 

1 (4.0)

      

2 (7.4)

 

S. marcescens

3 (1.5)

2 (4.3)

     

1 (100.0)

   

K. ozonaea

1 (0.5)

   

1 (5.3)

      

M. morganii

1 (0.5)

 

1 (4.0)

        

R. planticola

1 (0.5)

1 (2.1)

         

CSE

19 (9.6)

         

19 (100.0)

Total

197 (100.0)

47 (23.9)

25 (12.7)

40 (20.3)

19 (9.6)

1 (0.5)

3 (1.5)

1 (0.5)

15 (7.6)

27 (13.8)

19 (9.6)

  1. Non-CP CRE, non-carbapenemase-producing carbapenem-resistant Enterobacterales; CSE, carbapenem-susceptible Enterobacterales