TABLE 1.

 Seroprevalence of anti-C. pneumoniae antibodies by the different tests

Sample group and no. of samplesELISA and EIA resultaMIF resultaNo. of samples positive by rELISA
EleganceImmunocombVircellSeroCPQuantLabsystemsVircellMRLSeroFIALabsystems
Positive samples
    34++++++++++21
    5+++++++++3
    1+++++++++1
    4+++++++++1
    1++++++++1
    1++++++++
    1+++++++
    1+++++++
    1+++++++1
    1+++++++
    1+++++++
    1+++++++1
    1++++++1
    1++++++
    1+++++
    1+++++
    1++++
Negative samples
    1±±±
    1b, c±±±1
    1b±1
    1±
    1±
    1±
    172
% Positive samples5059647070695671737343
  • a +, positive result; −, negative result; ±, false-positive result.\

  • b The sample tested positive for parvovirus (the same subset of samples was analyzed).\

  • c The sample was positive for C. trachomatis and C. psittaci.