TABLE 1.

Performance of rapid tests for the detection of influenza virus infection in NPA compared with that of viral culture

TestNo. of specimens% Sensitivity (95% CI)(%) Specificity (95% CI)PPV (%)NPV (%)
Quick Vue30079.2 (68.2-90.2)82.6 (77.9-87.3)49.494.9
Quick Vue (visible line)30069.8 (57.4-82.2)97.1 (95.0-99.2)84.193.8
DFA26573.6 (61.7-85.5)98.1 (96.3-99.9)90.793.7