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Table 3 Comparison of the diagnostic test results obtained by parasite microscopy and molecular (ITS-1 PCR) methods

From: Widespread co-endemicity of Trypanosoma species infecting cattle in the Sudano-Sahelian and Guinea Savannah zones of Cameroon

 

PCR

Total

T. spp.

Tb

Tv

Tc

Tth

Tc + Tv

Tb + Tv

Tth + Tv

Tc + Tb + Tv

Negatives

overlap (%)

Tb

1

1

0

6

0

0

1

0

7

16

43.8

Tv

0

3

0

3

0

2

0

0

1

9

88.9

Tc

0

0

2

1

0

0

0

0

3

6

50.0

Tc + Tv

1

1

1

0

0

0

3

0

0

6

100.0

Tc + Tb

1

3

1

2

0

0

1

0

3

11

72.7

Tc + Tb + Tv

0

1

1

1

0

0

2

0

1

6

83.3

Tv + Tb

0

0

0

0

0

1

0

0

0

1

100.0

Negatives

47

72

8

206

3

14

64

3

468

885

47.1

Total

50

81

13

219

3

17

71

3

483

940

48.6

  1. Tb: T. brucei, Tc: T. congolense, Tth: T. theileri / T. grayi, Tv: T. vivax. T. spp: T. all species Animals from Mayo Tsanaga region were not considered because microscopy was not carried out at this location. Only the animals with parasitological and molecular data were considered