Comparative Evaluation of Effectiveness of IAVchip DNA Microarray in Influenza A Diagnosis

Table 4

Comparative diagnostic value of different tests in influenza A diagnosis.

Result, %	Test
	RT-PCR	Real-time RT-PCR	IAVchip DNA microarray
SN, 95% CI	95.95 (93.15–98.75)	97.96 (95.96–99.96)	100
SP, 95% CI	96.40 (93.70–99.10)	98.85 (97.35–100)	98.85 (97.35–100)
PPV, 95% CI	94.67 (91.37–97.97)	98.97 (97.57–100)	98.99 (97.59–100)
NPV, 95% CI	97.27 (94.97–99.57)	97.73 (95.63–99.83)	100

SN: sensitivity; SP: specificity; PPV: Positive Predictive Value; NPV: Negative Predictive Value; 95% CI: 95% confidence interval.