Table 2

Identification of bacteria and yeasts and detection of antibiotic resistance markers from 167 monomicrobial blood cultures by FilmArray

IdentificationNo. of samples
Blood culture and FA positiveBlood culture positive and FA negativeBlood culture negative and FA positive
Microorganisms included in FA BCID panel
    Gram-negative bacteria
        Escherichia coli34
        Klebsiella pneumoniae5
        Klebsiella oxytoca2
        Proteus mirabilis2
        Pseudomonas aeruginosa2
        Haemophilus influenzae2
        Enterobacter cloacae1
        Enterobacter aerogenes1
        Salmonella spp.1
        Serratia marcescens1
        Neisseria meningitidis1
    Gram-positive bacteria
        Coagulase-negative staphylococci371
        Staphylococcus aureus19
        Streptococcus pneumoniae13
        Enterococcus spp.9a4
        Streptococcus agalactiae5
        Alpha-hemolytic streptococci4
        Streptococcus pyogenes2
        Listeria monocytogenes2
    Fungi
        Candida albicans61
        Candida glabrata4
Microorganisms not included in FA BCID panel
    Micrococcus spp.3
    Corynebacterium spp.2
    Peptoniphilus spp.2
    Capnocytophaga canimorsus1
    Bacteroides fragilis1
    Eggerthella lenta1
    Gemella spp.1
    Lactobacillus spp.1
    Parvimonas micra1
Antibiotic resistance markers
    mecA15b13c
    vanA/vanB00
  • a Six E. faecalis and 3 E. faecium isolates.

  • b One MRSA isolate and 14 methicillin-resistant CoNS.

  • c PCR showed that 1/3 CoNS was mecA positive, as shown by FilmArray, whereas 2/3 were mecA negative, as in the disc diffusion test.