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Table 3 Comparison of IF and PCR with MT-PCR Influenza profile 1.

From: Rapid semi-automated quantitative multiplex tandem PCR (MT-PCR) assays for the differential diagnosis of influenza-like illness

  previous result MT-PCR resulta  
IF (total) 32   
INF-A (unspecified) 6 6 (H3 n = 4; H1 n = 1)b
RSV 8 8  
total INF-A/RSV 14 22 (14 + INF-A n = 8)c
total negative 18 10  
PCR (total) 37   
INF-A (unspecified) 17 17 (H3 n = 5; H1 n = 1)
INF-B 3 3  
RSV 2 2  
total INF-A/-B/RSV 23 28 (+ INF-A n = 5)
total negative 14 9  
IF or PCR (total) 45   
all INF-A 18 24  
all INF-B 3 3  
all RSV 8 8  
all positive results 29 35  
all negative results 16 10  
  1. aprofile 1 includes assays for INF-A, INF-B, H1, H3, H5, RSV and RV but not hPIV3; ball 6 were also PCR positive; cnot including INF-B (n = 3) detected by MT-PCR in samples which had not been tested for these pathogens