Table 3 Number of P. falciparum samples with parasite density ≥ 4% generating prozone for HRP-2 (n = 6) and Pf- pLDH (n = 2) RDT brands.
From: Prozone in malaria rapid diagnostics tests: how many cases are missed?
Brands/manufacturers | P. falciparum antigen targeted | Number of samples tested | Total number of samples with prozone (%) | HRP-2 or Pf-pLDH line intensity for undiluted prozone positive samples | ||
|---|---|---|---|---|---|---|
Negative | Faint | Weak | ||||
Paracheck-Pf | HRP-2 | 76 | 29 (38.2) | 3 | 5 | 21 |
ICT Malaria | HRP-2 | 76 | 27 (35.5) | 1 | 10 | 16 |
SD Malaria Antigen Pf FK50 | HRP-2 | 76 | 25 (32.9) | - | - | 25 |
Hexagon Malaria Combi | HRP-2 | 72 | 12 (16.7) | - | - | 12 |
SD Malaria Ag Pf/Pan FK60 | HRP-2 | 76 | 6 (7.9) | - | - | 6 |
Malaria Pan/Pv/Pf Rapid Device | HRP-2 | 75 | 5 (6.7) | - | 5 | |
SD Malaria pLDH FK40 | Pf-pLDH | 76 | - | - | - | - |
CareStart Malaria pLDH | Pf-pLDH | 76 | - | - | - | - |