TABLE 1.
Performance of rapid tests for the detection of influenza virus infection in NPA compared with that of viral culture
Test | No. of specimens | % Sensitivity (95% CI) | (%) Specificity (95% CI) | PPV (%) | NPV (%) |
---|---|---|---|---|---|
Quick Vue | 300 | 79.2 (68.2-90.2) | 82.6 (77.9-87.3) | 49.4 | 94.9 |
Quick Vue (visible line) | 300 | 69.8 (57.4-82.2) | 97.1 (95.0-99.2) | 84.1 | 93.8 |
DFA | 265 | 73.6 (61.7-85.5) | 98.1 (96.3-99.9) | 90.7 | 93.7 |