Table 2

RIADT (RapidTesta FLU II) accuracy

RIADT
A(+) and/or B(+)(−)Total
Verigene test (VRV)
 Positive431659
 Negative22123
Total453782
  • Prevalence: 72%.

  • Sensitivity: 72.9% (95% CI 61.5% to 84.2%).

  • Specificity: 91.3% (95% CI 79.7% to 102.8%).

  • PPV: 95.6% (95% CI 89.5% to 101.6%).

  • NPV: 56.8% (95% CI 40.8% to 72.7%).

  • NPV, negative predictive value; PPV, Positive predictive value; RIADT, rapid influenza antigen detection test; VRV, Verigene Respiratory Virus Plus.