Table 2.
Pathogen | No. (%) |
---|---|
Gram-positive organisms | 71 (67.0) |
Coagulase-negative Staphylococcus | 32 (30.2) |
Staphylococcus aureus | 21 (19.8) |
MSSA | 9 (8.5) |
MRSA | 12 (11.3) |
Streptococcus speciesa | 11 (10.4) |
Enterococcus species | 6 (5.7) |
Propionibacterium acnes | 1 (0.9) |
Gram-negative organisms | 32 (30.2) |
Pseudomonas speciesb | 11 (10.4) |
Enterobacter cloacae | 7 (6.6) |
Serratia marcescens | 6 (5.7) |
Klebsiella speciesc | 5 (4.7) |
Acinetobacter baumanii | 2 (1.9) |
Escherichia coli | 1 (0.9) |
Candida species | 1 (0.9) |
Mixed infectiond | 2 (1.9) |
Abbreviations: CSF, cerebrospinal fluid; MRSA, methicillin-resistant Staphylococcus aureus; MSSA, methicillin-sensitive S aureus.
a Ten patients with α-hemolytic Streptococcus (not Streptococcus pneumoniae or Enterococcus), 1 patient with Group B Streptococcus.
b Ten patients with Pseudomonas aeruginosa, 1 patient with Pseudomonas fluorescens.
c Four patients with Klebsiella pneumoniae, 1 patient with Klebsiella oxytoca.
d One patient had CSF culture grew K pneumoniae and Enterobacter cloacae, another patient with Escherichia coli and Serratia marcescens.