Skip to main content

Table 2 Plasmodium spp. positivity rate by diagnostic test in peripheral blood samples collected from pregnant women

From: Evaluation of highly sensitive diagnostic tools for the detection of P. falciparum in pregnant women attending antenatal care visits in Colombia

Positive test: n (%)
[N = 858]
Plasmodium spp. Species-specific Non-P.f.
P. falciparum P. vivax P. malariae
Microscopy 23 (2.7%) 23 (2.7%) c 1 (0.1%) c 0 (0%) N/A
cRDTa 21 (2.4%) 21 (2.4%) c 1 (0.1%) c N/A N/A
hsRDTb N/A 26 (3.0%) N/A N/A N/A
LAMP 45 (5.2%) 36 (4.2%) N/A N/A 9 (1.0%)
nPCR 36 (4.2%) 30 (3.5%) c 4 (0.5%) c 3 (0.3%) N/A
qRT-PCR 47 (5.5%) 39 (4.5%) d N/A N/A 9 (1.0%) d
  1. cRDT conventional Rapid Diagnostic Test, hsRDT highly sensitive Rapid Diagnostic Test, nPCR nested Polymerase Chain Reaction, LAMP Loop-mediated isothermal amplification, qRT-PCR Quantitative Reverse Transcription polymerase chain reaction
  2. aOnly P. falciparum and P. vivax. bOnly P. falciparum detected. Five samples (0.6%) with indeterminate results. cIncludes one mixed infection of P. falciparum and P. vivax. dIncludes one mixed infection of P. falciparum and non-P. falciparum species