Table 2.

RIADT (RapidTesta FLU II) accuracy

	RIADT
	A(+) and/or B(+)	(−)	Total
Verigene test (VRV)
Positive	43	16	59
Negative	2	21	23
Total	45	37	82

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.