Table 4 Pairwise comparison of FluDETECT positive sample proportions for different sample pooling schemes for RT-PCR positive samples (i.e., those with CT ≤ 35) using one-sided Fisher’s exact test
Subtype | Pool size | Fraction FluDETECT positive (%): Fraction for 11-swab pools (%)a | Fisher’s test: AC positive greater for 11-swab pools |
|---|---|---|---|
H5 and H7 | 5 or 6 | 118/260 (45.4%): 48/138 (34.8%) | 0.026 |
5 | 57/129 (44.2%): 48/138 (34.8%) | 0.074 | |
6 | 61/131 (46.6%): 48/138 (34.8%) | 0.033 | |
H5 | 5 or 6 | 35/113 (31.0%): 17/69 (24.6%) | 0.228 |
5 | 17/60 (28.3%): 17/69 (24.6%) | 0.391 | |
6 | 18/53 (34.0%): 17/69 (24.6%) | 0.177 | |
H7 | 5 or 6 | 83/147 (56.5%): 31/69 (44.9%) | 0.075 |
5 | 40/69 (58.0%): 31/69 (44.9%) | 0.086 | |
6 | 43/78 (55.1%): 31/69 (44.9%) | 0.142 |