Table 4

Performance of FilmArray in identification of each microorganisma

IdentificationNo. of true/false positivesNo. of true/false negativesSensitivity (%)Specificity (%)Positive predictive value (%)Negative predictive value (%)
Gram-negative bacteria
    Total66/0133/198.510010099.3
    Escherichia coli39/0160/197.510010099.4
    Klebsiella pneumoniae9/0191/0100100100100
    Klebsiella oxytoca3/0197/0100100100100
    Proteus mirabilis2/0198/0100100100100
    Pseudomonas aeruginosa4/0196/0100100100100
    Haemophilus influenzae2/0198/0100100100100
    Enterobacter cloacae2/0198/0100100100100
    Enterobacter aerogenes1/0199/0100100100100
    Salmonella spp.1/0199/0100100100100
    Serratia marcescens2/0198/0100100100100
    Neisseria meningitidis1/0199/0100100100100
Gram-positive bacteria
    Total117/574/496.793.795.994.9
    Coagulase-negative staphylococci44/0155/197.810010099.4
    Staphylococcus aureus22/0178/0100100100100
    Streptococcus pneumoniae14/0186/0100100100100
    Enterococcus spp.16/5177/288.997.376.298.9
    Streptococcus agalactiae5/0195/0100100100100
    Alpha-hemolytic streptococci11/0188/191.710010099.5
    Streptococcus pyogenes3/0197/0100100100100
    Listeria monocytogenes2/0198/0100100100100
Fungi
    Total11/1188/010099.591.7100
    Candida albicans7/1192/010099.587.5100
    Candida glabrata4/0196/0100100100100
Antibiotic resistance markers
    MecA24/2173/19698.992.399.5
    VanA/VanB00
  • a In total, 200 isolates that are included in the BCID panel were analyzed in the study.