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Table 1 Prevalence and mean antibody levels measured in sequential samples from 48 children in Kedougou years 2010 and 2011

From: Unexpected high circulation of Plasmodium vivax in asymptomatic children from Kédougou, southeastern Senegal

Antigen tested May 2010 November 2010 May 2011 November 2011 Overall
No individuals No = 47 N = 46 N = 47 N = 48 N = 188
Ag MSP1
 Mean OD [min–max] 0.57 [0–1.93] 0.62 [0–1.93] 0.47 [0–1.36] 0.82 [0–2.25] 0.52 [0–2.25]
P. vivax
 Mean OD ratio [min–max] 2.6 [1–7.1] 2.9 [1–6.4] 2.2 [1–4.5] 3.7 [1–7.2] 2.9 [1–7.2]
 No positive (prevalence) 40% 41% 25% 31% 53%
Pf MSP1p19
 Mean OD [min–max] 0.11 [0–0.98] 0.21 [0–2.10] 0.10 [0–1.19] 0.30 [0–2.14] 0.18 [0–2.14]
 Mean OD ratio [min–max] 2.5 [1–16.7] 4.0 [1–34.7] 2.3 [1–20.0] 5.4 [1–33.8] 3.5 [1–33.8]
 Prevalence 43% 38% 23% 46% 61%
Ag SE 07_03
 Mean OD [min–max] 0.58 [0–2.45] 0.65 [0–2.41] 0.48 [0–2.39] 0.82 [0–2.59] 0.63 [0–2.59]
 Mean OD ratio [min–max] 2.5 [1–10.5] 2.8 [1–10.4] 2.2 [1–9.6] 3.5 [1–12.3] 2.8 [1–12.3]
 No positive (prevalence) 45% 37% 28% 46% 63%