Table 3 Pathogens causing SSI after elective craniotomy for brain tumor

Gram-positive bacteria

20 (57.1%)

    Staphylococcus epidermidis

7

1

8 (22.9%)

    Staphylococcus aureus

2

2

4 (11.4%)

    Staphylococcus hominis

3

0

3 (8.6%)

    Staphylococcus capitis

2

0

2 (5.7%)

    Staphylococcus hemolyticus

1

0

1 (2.9%)

    Enterococcus faecium

0

1

1 (2.9%)

    Enterococcus faecalis

1

0

1 (2.9%)

Gram-negative bacteria

15 (42.9%)

    Serratia marcescens

3

3

6 (17.1%)

    Escherichia Coli

0

2

2 (5.7%)

    Klebsiella pneumoniae

0

2

2 (5.7%)

    Citrobacter freundii

1

1

2 (5.7%)

    Acinetobacter baumannii

1

0

1 (2.9%)

    Enterobacter aerogenes

1

0

1 (2.9%)

    Enterobacter cloacae

0

1

1 (2.9%)

Total

22

13

35 (100%)