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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