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Table 2 Rate of detection of PRRSV RNA in the three index tests at litter level

From: Monitoring PRRSV-1 in suckling piglets in an endemic herd using reverse transcriptase quantitative real time polymerase chain reaction: comparison of the rate of detection in serum and oral fluid samples and evaluation of pooling

 

Number of PRRSV RNA-positive samples

 

Index test

Standard

Rate of detection

95% Confidence Interval

Serum

16

26

62%

41–80

Individual Oral Fluid

6

26

23%

9–44

Collective Oral Fluid

20

26

77%

56–91

Serum + collective Oral Fluid

25

26

96%

80–100

  1. The reference standard is the cumulative result of the three samples tested