Table 3.
Duplex HRSV and pan-HRSV rRT-PCR assays reproducibility with RNA transcripts.
Assay | Copies/reaction | Number of replicates | Mean Ct | SD | CV (%) | |
---|---|---|---|---|---|---|
Intra-assay | HRSV A | 5 × 105 | 4 | 19.73 | 0.15 | 0.78 |
5 × 103 | 4 | 26.47 | 0.26 | 0.97 | ||
5 × 101 | 4 | 32.97 | 0.32 | 0.98 | ||
HRSV B | 5 × 105 | 4 | 19.66 | 0.12 | 0.59 | |
5 × 103 | 4 | 26.41 | 0.20 | 0.78 | ||
5 × 101 | 4 | 33.07 | 0.43 | 1.31 | ||
pan-HRSV | 5 × 105 | 4 | 21.09 | 0.07 | 0.35 | |
5 × 103 | 4 | 27.84 | 0.10 | 0.35 | ||
5 × 101 | 4 | 34.76 | 0.14 | 0.41 | ||
Inter-assay | HRSV A | 5 × 105 | 8 | 19.52 | 0.27 | 1.39 |
5 × 103 | 8 | 26.19 | 0.40 | 1.51 | ||
5 × 101 | 8 | 33.18 | 0.31 | 0.94 | ||
HRSV B | 5 × 105 | 8 | 19.90 | 0.26 | 1.31 | |
5 × 103 | 8 | 26.41 | 0.15 | 0.58 | ||
5 × 101 | 8 | 33.01 | 0.32 | 0.96 | ||
pan-HRSV | 5 × 105 | 8 | 21.08 | 0.09 | 0.45 | |
5 × 103 | 8 | 27.56 | 0.32 | 1.17 | ||
5 × 101 | 8 | 34.31 | 0.48 | 1.41 |
SD, standard deviation; CV, coefficient of variation.