Table 3 P. falciparum and P. vivax densities stratified according to positivity by standard 18S rRNA qPCR (qPCR), by any qPCR, or only by ultra- sensitive qPCR (us-qPCR)
Country | P. falciparum Median Densitya Parasites/µL (IQR) | P. vivax Median Densitya Pv_mtCOX1 copies/µL (IQR) | ||||
|---|---|---|---|---|---|---|
qPCR( +) | qPCR( +) and us-qPCR( +) | qPCR(-) and us-qPCR( +) | qPCR( +) | qPCR( +) and us-qPCR( +) | qPCR(-) and us-qPCR( +) | |
Thailand | 238.9 (55.8–1519) | 40.8 (0.5–536.2) | 0.2 (0.2–0.2) | 104.8 (24.9–246.7) | 50.4 (4.9–190.8) | 3.1 (0.9–7.6) |
Brazil | 4.0b (1.9–125.4) | 0.4b (0.2–3.0) | 0.2 (0.1–0.3) | 152.6 (50.3–738.7) | 79.8 (18.3–464.4) | 7.3 (3.7–22.0) |
PNG | 5.7 (1.0–70.0) | 1.9 (0.2–22.5) | 0.1 (0.0–0.4) | 9.5 (3.1–145.9) | 3.7 (0.9–16.4) | 0.7 (0.3–1.2) |