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Table 1 Comparison of antibody titres and prevalence measured in plasma and saliva against MSP-119 and AMA-1 P. falciparum merozoite surface antigens

From: Human saliva as a source of anti-malarial antibodies to examine population exposure to Plasmodium falciparum

  Tanzania (n = 53) The Gambia (n = 200)
Antigen Plasma Saliva
Oracol
Saliva
Orasure
Plasma Saliva
AMA-1
R2
  0.89 0.93   0.64
Mean response (range) 138
(1-817)
148
(3-902)
108*
(0-871)
317
(0-917)
185*
(45-818)
% positive 47 34 36 36 30
MSP-1 19
r2
  0.75 0.93   0.63
Mean response (range) 61
(0-769)
62
(0-625)
37*
(0-610)
229
(0-844)
113*
(0-612)
% positive 28 26 15 30 20
  1. * = significant difference between means of titre response in saliva and plasma using t-test
  2. ND not done