TABLE 6.

Performance of immunofluorescent antigen detection after analysis of discrepant specimens by RT-PCRa

Immunofluorescent antigen detection resultResolved influenza virus type A and B result
Influenza virus type A positiveInfluenza virus type B positiveNegativeTotal
Influenza virus type A positive250025
Influenza virus type B positive021021
Indeterminate0167
Negative010187197
Total2532193250
  • a Resolved positive specimens were taken to be any culture positive or immunofluorescent antigen detection test positive or Directigen FluA+B positive results confirmed by RT-PCR.