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Table 4 Correlation between SVN titer and wv-ELISA S/P ratio. The highest agreement was observed between the two assays, with only 8 positive IFA and wv-ELISA samples not detected by the alternate test. The top and bottom numbers in each well represent the row, column, and total percentages, respectively

From: Detection of porcine parainfluenza virus type-1 antibody in swine serum using whole-virus ELISA, indirect fluorescence antibody and virus neutralizing assays

 

wv-ELISA

 

SVN

Neg

Pos

Total

Neg

189

8

197

95.94%

4.06%

100

95.94%

4.57%

52.96%

50.81%

2.15%

100%

Pos

8

167

175

4.57%

95.43%

100

4.06%

95.43%

47.04%

2.15%

44.89%

100%

Total

197

175

372

52.96%

47.04%

100 (row%)

100%

100%

100 (col%)

100%

100%

100 (tot%)

  1. SVN Serum virus neutralization, wv-ELISA Whole virus enzyme linked immunosorbent assay