Comparison of a New Gold Immunochromatographic Assay for the Rapid Diagnosis of the Novel Influenza A (H7N9) Virus with Cell Culture and a Real-Time Reverse-Transcription PCR Assay

Table 2

Detection of influenza A (H7N9) virus by GICA^a and RT-PCR assay.

GICA	RT-PCR
	Positive(+)	Negative(−)	Total
Positive(+)	33	1	34
Negative(−)	66	40	106
Total	99	41	140
^bSensitivity	Specificity	PPV	NPV
33.33%	97.56%	97.06%	37.74%

aGICA: gold immunochromatographic assay.
bThese parameters for GICA were obtained in reference to the RT-PCR assay.