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Sensitivity and specificity of RT-PCR/ESI-MS compared to ProFlu Plus and combined ProFlu Plus and Xpert Flu.
| Comparison method | Virus | Sensitivity | Specificity | Kappa (95% C.I.) |
|---|---|---|---|---|
| ProFlu Plus | Influenza A | 82.1% (23/28) | 100% (258/258) | 0.89 (0.80–0.99) |
| Influenza B | 100% (16/16) | 99.6% (269/270) | 0.97 (0.9–1) | |
| Combined ProFlu Plus and Xpert Flu | Influenza A | 85.2% (23/27) | 100% (259/259) | 0.91 (0.83–0.99) |
| Influenza B | 100% (14/14) | 99.6% (270/272) | 0.93 (0.83–1) | |
