TABLE 6.
Performance of immunofluorescent antigen detection after analysis of discrepant specimens by RT-PCRa
| Immunofluorescent antigen detection result | Resolved influenza virus type A and B result
|
|||
|---|---|---|---|---|
| Influenza virus type A positive | Influenza virus type B positive | Negative | Total | |
| Influenza virus type A positive | 25 | 0 | 0 | 25 |
| Influenza virus type B positive | 0 | 21 | 0 | 21 |
| Indeterminate | 0 | 1 | 6 | 7 |
| Negative | 0 | 10 | 187 | 197 |
| Total | 25 | 32 | 193 | 250 |
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.