Table 5.

Calculated performance characteristics for TAC and conventional testing.

	DFA + viral culture	TAC	P value
% cSens (95% CI)	34.7 (24.1, 46.5)	97.3 (90.7, 99.6)	<0.0001
% cSpec (95% CI)	98.5 (92.1, 99.8)	91.2 (81.8, 96.7)	0.9703
% cPPV (95% CI)	96.3 (81.0, 99.4)	92.4 (84.2, 97.1)	0.2485
% cNPV (95% CI)	57.8 (48.2, 66.9)	96.9 (89.1, 99.5)	<0.0001

cSens, calculated sensitivity ; cSpec, calculated specificity ; cPPV, calculated positive predictive value ; cNPV, calculated negative predictive value; CI, confidence interval; DFA, direct fluorescent antibody assay; TAC, Taqman array card.