Skip to main content

Table 6 Diagnostic agreement between PCR and serological methods for the detection of both T. vivax and T. evansi expressed by the Kappa statistic+

From: Evaluation of a polymerase chain reaction assay for the diagnosis of bovine trypanosomiasis and epidemiological surveillance in Bolivia

T. vivaxTests AREA
  Guarayos Sara Yacuma Velazco
  No positives* Kappa values No positives Kappa values No positives Kappa values No positives Kappa values&
TvPCR vs TvELISA 7 - 0.074 0 -0.008 6 0.030 0 -
TvPCR vs TcELISA 5 - 0.042 0 -0.008 6 0.019 0 -
TvPCR vs CATT 12 0.039 1 0.036 -# - - -
TePCR vs CATT 5 0.018 3 0.101 - - - -
TePCR vs TcELISA 5 - 0.014 1 -0.027 2 0.009 0 -
TePCR vs TvELISA 4 - 0.009 2 -0.039 2 0.010 0 -
  1. * Concordant positive samples. # The test was not carried out. € TcELISA: T. congolense ELISA. TvELISA: T. vivax ELISA & Kappa agreement was not carried out for this province because all the PCR results were negative. There was no agreement between those tests