Table 3: Diagnostic value of antigen detection of norovirus by ELISA as compared to real time PCR.

–	Sensitivity		Specificity		Positive Predictive value		Negative Predictive Value		Accuracy
	%	95%CI	%	95%CI	%	95%CI	%	95%CI	%	95%CI
Norovirus Detection by ELISA	70.5%	57.4%- 81.5%	81.3%	73.8%- 87.4%	62.3%	53.01%- 70.8%	86.3%	80.9%- 90.3%	78%	71.6%-83.5%