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Table 1 Two-by-two contingency table comparing results of ELISA for detection of PRRSV antibodies in serum and oral fluid collected via cotton gauze swabs and GenoTubes

From: Evaluation of the specificity of a commercial ELISA for detection of antibodies against porcine respiratory and reproductive syndrome virus in individual oral fluid of pigs collected in two different ways

IDEXX PRRS OF - oral fluid

IDEXX PRRS X3 Ab - Serum

Negative

Positive

Cotton gauze swabs

Measure 1

Negative

304

0

Positive

7

39

Measure 2

Negative

302

-

Positive

9

-

 

Total

311

39

GenoTubes

Measure 1

Negative

303

0

Positive

9

67

Measure 2

Negative

304

-

Positive

8

-

 

Total

312

67