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Table 2 Aetiology of bloodstream infections

From: Bacterial bloodstream infections in a tertiary infectious diseases hospital in Northern Vietnam: aetiology, drug resistance, and treatment outcome

Pathogen

All patients

Sampled clinical cases

Total

CABSI

HABSI

pg

N = 738

N = 477

N = 400

N = 77

 

Enterobacteriaceae

345 (46.7%)

245 (51.4%)

200 (50%)

45 (58.4%)

0.213

  Klebsiella pneumoniae

129 (17.5%)

110 (23.1%)

88 (22%)

22 (28.6%)

0.237d

  Escherichia coli

128 (17.3%)

73 (15.3%)

64 (16%)

9 (11.7%)

0.391

  Salmonella enterica

45 (6.1%)

30 (6.3%)

24 (6%)

6 (7.8%)

0.606

 serovar Typhi

10 (1.4%)

4 (0.8%)

4 (1.00%)

0

1

 non-typhi Salmonella

35 (4.7%)

26 (5.5%)

20 (5%)

6 (7.8%)

0.407

  Serratia marcescens

16 (2.2%)

12 (2.5%)

9 (2.3%)

3 (3.9%)

0.421

  Enterobacter species

16 (2.2%)

12 (2.5%)

8 (2.0%)

4 (5.2%)

0.112

 Other Enterobacteriaceae speciesa

11 (1.5%)

8 (1.7%)

7 (1.8%)

1 (1.3%)

1

Non-Enterobacteriacae

156 (21.1%)

99 (20.8%)

78 (19.5%)

21 (27.3%)

0.127

  Stenotrophomonas maltophilia

71 (9.6%)

47 (9.9%)

39 (9.8%)

8 (10.4%)

0.836

  Aeromonas species

34 (4.6%)

14 (2.9%)

12 (3.0%)

2 (2.6%)

1

  Burkholderia pseudomallei

15 (2.0%)

13 (2.7%)

13 (3.3%)

0

 

Pseudomonas aeruginosa

16 (2.2%)

13 (2.7%)

9 (2.3%)

4 (5.2%)

0.240

Acinetobacter speciesb

16 (2.2%)

10 (2.1%)

3 (0.8%)

7 (9.1%)

<0.001

  Other gram-negative bacteria c

4 (0.5%)

2 (0.4%)

2 (0.5%)

0

1

Gram-positive isolates

229 (31.0%)

126 (26.4%)

115 (28.8%)

11 (14.3%)

0.007

  Staphylococcus aureus

110 (14.9%)

41 (8.6%)

34 (8.5%)

7 (9.1%)

0.826

  Streptococcus suis

56 (7.6%)

43 (9.0%)

43 (10.8%)

0

-

  Streptococcus species

37 (4.9%)

23 (4.8%)

21 (5.3%)

2 (2.6%)

0.559

    S. pneumoniae

7 (0.9%)

5 (1.0%)

4 (1.0%)

1 (1.3%)

0.587

    S. viridans groupd

21 (2.8%)

11 (2.3%)b

10 (2.5%)

1 (1.3%)

1

   Beta-hemolytic streptococci

9 (1.2%)

7 (1.5%)

7 (1.8%)

0

0.604

  Enterococcus species

14 (1.9%)

12 (2.5%)

10 (2.5%)

2 (2.6%)

1

  Other gram-positive bacteria e

12 (1.6%)

7 (1.5%)

7 (1.8%)

0

0.604

Polymicrobialf

8 (1.1%)

7 (1.5%)

7 (1.8%)

0

0.604

  1. aIncluding 3 cases with Klebsiella oxytoca, 3 cases with Proteus mirabilis, 2 cases with Escherichia hermannii, 1 case with Citrobacter freundii, 1 case with Morganella morganii and 1 case with Vibrio vulnificus
  2. bIncluding 12 cases with A. baumannii, 3 cases with A. lwoffii and 1 case with A. junii
  3. cIncluding 1 case for Elizabethkingia meningosepticum, Haemophilus influenzae, Pasteurella multocida and Neisseria meningitidis,
  4. dCases with viridans group infection had at least two positive blood culture or single positive blood culture plus vegetation on echocardiography
  5. eIncluding 4 cases with Rhodococcus equi, 3 cases with Listeria monocytogenes, 2 cases with Aerococcus viridians, 2 cases with Listeria spp. and 1 case with Listeria innocua
  6. fIn 8 dual infection cases, 3 HIV infected cases had co-infection with Talaromyces marneffei and S. aureus, Escherichia hermannii or Salmonella group D; 1 case with S. aureus and K. pneumoniae, 1 case with Enterococcus faecalis and viridans streptococci, 1 case with E. coli and K. pneumoniae and 1 case with S. aureus and E. coli co-infection
  7. g p values were calculated using Chi-square test or Fisher’s Exact test as appropriate
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BMC Infectious Diseases

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