Table 2 Microbiology of bloodstream infection

Gram-positive bacteremia, n(%)

818 (24.1)

236 (55.0)

< 0.001

 Staphylococcus aureus

276 (8.1)

34 (7.9)

0.957

 Streptococcus pyogenes

6 (0.2)

0 (0.0)

0.823

 Streptococcus agalactiae

23 (0.7)

1 (0.2)

0.439

 Streptococcus pneumoniae

30 (0.9)

1 (0.2)

0.258

 Enterococcus faecalis

54 (1.6)

47 (11.0)

< 0.001

 Enterococcus faecium

78 (2.3)

62 (14.5)

< 0.001

 Listeria monocytogenes

3 (0.1)

0 (0.0)

1

 Corynebacterium striatum

21 (0.6)

6 (1.4)

0.131

 Non–S. aureus staphylococcus spp.

141 (4.2)

43 (10.0)

< 0.001

 Others

186 (5.5)

82 (19.1)

< 0.001

Gram-negative bacteremia, n(%)

2488 (73.3)

385 (89.7)

< 0.001

 Escherichia coli

1256 (37.0)

216 (50.3)

< 0.001

 Klebsiella pneumoniae

649 (19.1)

143 (33.3)

< 0.001

 Klebsiella oxytoca

36 (1.1)

32 (7.5)

< 0.001

 Klebsiella (Enterobacter) aerogenes

26 (0.8)

14 (3.3)

< 0.001

 Pseudomonas aeruginosa

136 (4.0)

44 (10.3)

< 0.001

 Acinetobacter baumannii

47 (1.4)

15 (3.5)

0.002

 Citrobacter spp.

40 (1.2)

28 (6.5)

< 0.001

 Enterobacter cloacae

58 (1.7)

35 (8.2)

< 0.001

 Proteus spp.

74 (2.2)

24 (5.6)

< 0.001

 Serratia marcescens

21 (0.6)

5 (1.2)

0.324

 Neisseria meningitidis

0 (0.0)

1 (0.2)

0.219

 Haemophilus influenzae

4 (0.1)

0 (0.0)

1

 Stenotrophomonas maltophilia

5 (0.1)

2 (0.5)

0.392

 Others

137 (4.0)

60 (14.0)

< 0.001

Fungemia, n(%)

67 (2.0)

19 (4.4)

0.002

 Candida albicans

31 (0.9)

5 (1.2)

0.807

 Candida glabrata

11 (0.3)

9 (2.1)

< 0.001

 Candida parapsilosis

5 (0.1)

1 (0.2)

1

 Candida tropicalis

13 (0.4)

3 (0.7)

0.576

 Cryptococcus neoformans

1 (0.0)

2 (0.5)

0.033

 Others

4 (0.1)

1 (0.2)

1

MDR pathogen

1146 (33.8)

200 (46.6)

< 0.001