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Table 3 Prevalence of colonization on admission and during hospitalization stratified by the specific MDR bacteria, the surveillance culture site and the time of specimen collection

From: A prospective surveillance study for multidrug-resistant bacteria colonization in hospitalized patients at a Thai University Hospital

Time

Any site, (%)

Nasal cavity, (%)

Throat, (%)

Inguinal area, (%)

Rectum, (%)

ESBL-producing Enterobacteriaceae

 Time-1 (N = 487)

52.2

2.7

9.8

17.5

50.4

 Time-2 (N = 357)

51.8

3.4

15.1

17.5

46.2

 Time-3 (N = 162)

62.3

8.3

25.0

21.9

46.2

 Time-4 (N = 53)

71.7

12.0

28.6

27.1

53.8

ESBL-producing E. coli

 

 Time-1 (N = 487)

42.3

1.0

2.9

11.9

38.8

 Time-2 (N = 357)

41.2

1.3

3.7

10.9

34.3

 Time-3 (N = 162)

39.5

0.6

3.3

10.3

33.1

 Time-4 (N = 53)

41.5

2.0

4.1

16.7

32.7

ESBL-producing Klebsiella spp.

 Time-1 (N = 487)

16.6

1.9

6.4

5.9

12.3

 Time-2 (N = 357)

19.1

2.2

10.7

5.9

10.4

 Time-3 (N = 162)

34.6

7.1

19.7

9.7

19.4

 Time-4 (N = 53)

45.3

1.0

22.5

19.4

19.2

CR-AB

 Time-1 (N = 487)

6.8

2.1

2.3

3.7

2.5

 Time-2 (N = 357)

16.3

4.7

6.7

10.4

8.6

 Time-3 (N = 162)

27.8

8.3

13.2

15.5

10.0

 Time-4 (N = 53)

47.2

26.0

24.5

22.9

19.2

CR-PA

 Time-1 (N = 487)

4.7

1.6

3.7

0.4

1.2

 Time-2 (N = 357)

8.4

2.2

5.4

1.8

2.1

 Time-3 (N = 162)

12.3

5.8

7.2

3.2

3.8

 Time-4 (N = 53)

18.9

10.0

12.2

2.1

1.9

MRSA

 Time-1 (N = 487)

7.2

4.3

3.5

1.2

2.5

 Time-2 (N = 357)

7.3

3.1

2.2

1.1

2.2

 Time-3 (N = 162)

11.7

4.9

2.6

3.7

1.2

 Time-4 (N = 53)

18.9

7.5

5.7

3.7

1.8

  1. Abbreviations: ESBL Extended-Spectrum Beta-Lactamase, CR-AB Carbapenem-Resistant Acinetobacter baumannii, CR-PA Carbapenem-Resistant Pseudomonas aeruginosa, MSSA Methicillin-Susceptible Staphylococcus aureus, MRSA Methicillin-Resistant Staphylococcus aureus