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Table 2 Pathogens isolated from patients with CNS infections

From: Epidemiology of patients with central nervous system infections, mainly neurosurgical patients: a retrospective study from 2012 to 2019 in a teaching hospital in China

Pathogens

n (%)

2012–2015 years n (%)

2016–2019 years n (%)

Total

86

39

47

Gram-positive bacteria

51 (59.3)

30 (76.9)

21 (44.7)

 Coagulase-negative Staphylococci a

37 (43.0)

24 (61.5)

13 (27.7)

 Enterococcus faecium

5 (5.8)

4 (10.3)

1 (2.1)

 Streptococcus pneumoniae

5 (5.8)

 

5 (10.6)

 Staphylococcus aureus

2 (2.3)

2 (5.1)

 

 Enterococcus faecalis

1 (1.2)

 

1 (2.1)

 Streptococcus anginosus

1 (1.2)

 

1 (2.1)

Gram-negative bacteria

26 (30.2)

6 (15.4)

20 (42.6)

 Acinetobacter baumannii

6 (7.0)

1 (2.6)

5 (10.6)

 Escherichia coli

6 (7.0)

3 (7.7)

3 (6.4)

 Klebsiella spp. b

5 (5.8)

 

5 (10.6)

 Enterobacter cloacae

2 (2.3)

 

2 (4.3)

 Enterobacter aerogenes

2 (2.3)

 

2(4.3)

 Pseudomonas aeruginosa

1 (1.2)

 

1 (2.1)

 Acinetobacter lwoffii

1 (1.2)

 

1 (2.1)

 Stenotrophomonas maltophilia

1 (1.2)

1 (2.6)

 

 Pseudomonas oryzihabitans

1 (1.2)

 

1 (2.1)

 Brucella spp.

1 (1.2)

1 (2.6)

 

Fungus

9 (10.5)

3 (7.7)

6 (12.8)

 Cryptococcus neoformans

6 (7.0)

2 (5.1)

4 (8.5)

 Aspergillus fumigatus

1 (1.2)

 

1 (2.1)

 Candida parapsilosis

1 (1.2)

1 (2.6)

 

 Candida tropicalis

1 (1.2)

 

1 (2.1)

  1. aStaphylococcus haemolyticus (n = 11), Staphylococcus epidermidis (n = 4), Staphylococcus hominis (n = 1), unidentified Coagulase-negative Staphylococci (n = 21)
  2. bKlebsiella pneumoniae (n = 3), Klebsiella oxytoca (n = 2)