Table 2.
Dried Fluid Spot Genotyping Efficiency and Pairwise Nucleotide Identity Compared to Plasma Specimens
| DBS Specimens |
DPS Specimens |
||||
|---|---|---|---|---|---|
| Plasma VL Group | Genotyping Efficiency for Plasma Specimens, % (No.) | Genotyping Efficiency, % (No.) | Nucleotide Identity to Plasma, % Mean ± SD (95% CI) | Genotyping Efficiency, % (No.) | Nucleotide Identity to Plasma, % Mean ± SD (95% CI) |
|
| |||||
| <1000 copies/mL | 87.5 (7/8) | 50.0 (4/8) | 98.6 ± 1.2 (96.7–100.5) | 12.5 (1/8) | 98.9a |
| ≥1000 copies/mL | 100 (18/18) | 100 (18/18) | 98.8 ± 0.83 (98.4–99.2) | 38.9 (7/18) | 98.2 ± 1.1 (97.2–99.2) |
Abbreviations: CI, confidence interval; DBS, dried blood spot; DPS, dried plasma spot; SD, standard deviation; VL, viral load.
a
This value represents the VL of a single DPS sample and is not a mean