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

Table 6

Results of detecting influenza A virus subtypes in clinical specimens by various tests.

Subtype	Test
	Reverse transcription PCR			Real-time RT-PCR			IAVchip DNA microarray
	Step  1	Step  2	Step  3	Step  1	Step  2	Step  3	Step  1
	Type A	H	N	Type A	H	N	Type A, H, N
Н1N1	24 (24.49%)	24 (24.49%)	24 (24.49%)	35 (35.71%)	35 (35.71%)	35 (35.71%)	36 (36.73%)
H3N2	31 (31.63%)	31 (31.63%)	31 (31.63%)	39 (39.80%)	39 (39.80%)	39 (39.80%)	40 (40.82%)
H3N8	11 (11.22%)	11 (11.22%)	11 (11.22%)	14 (14.29%)	14 (14.29%)	N/A	14 (14.29%)
H5N1	5 (5.10%)	5 (5.10%)	5 (5.10%)	8 (8.16%)	8 (8.16%)	8 (8.16%)	8 (8.16%)
Positive	71 (72.45%)	71 (72.45%)	71 (72.45%)	96 (97.96%)	96 (97.96%)	82 (83.67%)	98 (100%)

Note: 98 specimens were assayed.