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. 2011 Nov 24;6(3):e30–e34. doi: 10.1111/j.1750-2659.2011.00313.x

Table 3.

 Comparison of BinaxNOW® influenza A & B, Remel X/pect™ Flu A & B and BD Directigen™ EZ Flu A+B to real‐time PCR for the detection of influenza A/H1N1 (2009)

RIDT Patients PCR positive PCR negative
Age n RIDT+ RIDT− Sensitivity (%) RIDT+ RIDT− Specificity (%)
Binax <2 65 12 2 85·7 4 47 92·2
2–39 271 42 21 66·7 2 164 98·8
40+ 662 15 30 33·3 3 504 99·4
Total 846 69 53 56·6 9 715 98·8
Xpect <2 1 1 0 100·0 0 0
2–39 43 11 6 64·7 2 24 92·3
40+ 149 9 16 36·0 1 123 99·2
Total 193 21 22 48·8 3 147 98·0
BD <2 39 8 2 80·0 1 28 96·6
2–39 119 25 18 58·1 2 74 97·4
40+ 71 6 7 46·2 1 57 98·3
Total 229 39 27 59·1 4 159 97·6

RIDT, rapid influenza diagnostic test.