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Table 2 Agreement (%) between the results of multiplexed-tandem (MT)-PCR eggs versus larval culture (LC) and MT-PCR larvae (larvae) versus LC

From: Multiplexed-tandem PCR for the specific diagnosis of gastrointestinal nematode infections in sheep: an European validation study

Species

n

+,+

+,-

-,+

-,-

Agreement (%)

Kappa

PABAK

MT-PCR

 

Larval culture - Moredun (22 °C)

  Te. circumcincta (MT-PCR (e))

11

9

1

1

0

81.80

-0.100

0.636

  Te. circumcincta (MT-PCR(l))

11

7

0

3

1

72.70

0.298

0.455

  Haemonchus (MT-PCR (e))

11

1

0

0

10

100.00

1.000

1.000

  Haemonchus (MT-PCR(l))

11

1

0

0

10

100.00

1.000

1.000

  Trichostrongylus (MT-PCR (e))

11

6

2

0

3

81.80

0.620

0.636

  Trichostrongylus (MT-PCR(l))

11

6

4

0

1

63.60

0.214

0.273

  Chabertia/Oesophagostomum (MT-PCR (e))

11

8

0

1

2

90.90

0.744

0.818

  Chabertia/Oesophagostomum (MT-PCR(l))

11

8

0

1

2

90.90

0.744

0.818

  C. curticei (MT-PCR (e))

11

1

0

1

9

90.90

0.621

0.818

  C. curticei (MT-PCR(l))

11

1

0

1

9

90.90

0.621

0.818

  

Larval culture - Belgium (25 °C)

  Te. circumcincta (MT-PCR (e))

8

8

0

0

0

100.00

-1.000

1.000

  Te. circumcincta (MT-PCR(l))

8

8

0

0

0

100.00

-1.000

1.000

  Haemonchus (MT-PCR (e))

8

6

1

0

1

87.50

0.600

0.750

  Haemonchus (MT-PCR(l))

8

5

1

1

1

75.00

0.330

0.500

  Trichostrongylus (MT-PCR (e))

8

3

2

2

1

50.00

-0.067

0.000

  Trichostrongylus (MT-PCR(l))

8

2

3

3

0

25.00

-0.600

-0.500

  Chabertia/Oesophagostomum (MT-PCR (e))

8

3

2

0

3

75.00

0.529

0.500

  Chabertia/Oesophagostomum (MT-PCR(l))

8

3

0

0

5

100.00

1.000

1.000

  C. curticei (MT-PCR (e))

8

2

1

0

5

87.50

0.714

0.750

  C. curticei (MT-PCR(l))

8

1

3

1

3

50.00

0.000

0.000

  

Larval culture - Whole dataset (22 °C and 25 °C)

  Te. circumcincta (MT-PCR (e))

19

17

1

1

0

89.50

-0.056

0.789

  Te. circumcincta (MT-PCR(l))

19

15

0

3

1

84.20

0.345

0.684

  Haemonchus (MT-PCR (e))

19

7

1

0

11

94.70

0.890

0.895

  Haemonchus (MT-PCR(l))

19

6

1

1

11

89.50

0.774

0.789

  Trichostrongylus (MT-PCR (e))

19

9

4

2

4

68.40

0.329

0.368

  Trichostrongylus (MT-PCR(l))

19

8

7

3

1

47.40

-0.159

-0.053

  Chabertia/Oesophagostomum (MT-PCR (e))

19

11

2

1

5

84.20

0.650

0.684

  Chabertia/Oesophagostomum (MT-PCR(l))

19

11

0

1

7

94.70

0.890

0.895

  C. curticei (MT-PCR (e))

19

3

1

1

14

89.50

0.683

0.789

  C. curticei (MT-PCR(l))

19

2

3

2

12

73.70

0.275

0.474

  1. Also shown are the calculated Kappa values and the numbers of samples tested positive and negative by each method and for each laboratory as well as for the entire dataset