TABLE 1.

Contradictory results between AccuProbe tests with adjusted cutoff values versus culture

AccuProbe test (organism and result)No. of samplesRLUa
MinMaxMed
S. aureus
    False positive730,093562,25231,472
    False negative392,27128,35012,055
S. pneumoniae
    False positive0
    False negative310,14024,25323,141
Enterococcus
    False positive355,38679,70956,407
    False negative14,7294,7294,729
Group A streptococcus
    False positive0
    False negative0
Group B streptococcus
    False positive1309,773309,773309,773
    False negative0
  • a Abbreviations: Min, minimum RLU value for giving a false-positive or false-negative test result; Max, maximum RLU value for giving a false-positive or false-negative test result; Med, median RLU value for giving a false-positive or false-negative test result.