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Table 1 The prevalence of P. falciparum infection by microscopy and QT-NASBA in relation to age

From: Low density parasitaemia, red blood cell polymorphisms and Plasmodium falciparumspecific immune responses in a low endemic area in northern Tanzania

Parasite prevalence, % (n/N) <5 years 5–15 years >15 years P-value
Microscopy, prevalence (n/N) 1.8 (11/608) 2.4 (18/744) 1.6 (22/1369) 0.42
Microscopy (selection)* 1.5 (2/137) 5.1 (8/156) 3.1 (5/160) 0.21
QT-NASBA 27.0 (37/137) 36.5 (57/156) 33.1 (53/160) 0.22
  1. *Selection = only those individuals who also had valid QT-NASBA results. For eleven samples included in the QT-NASBA, no information on age was available.