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Table 2 Number and prevalence of seropositive participants by age class

From: Age-specific malaria seroprevalence rates: a cross-sectional analysis of malaria transmission in the Ouest and Sud-Est departments of Haiti

Age class AMA-1 MSP-1 Combined
(years) n No. Pos. % Pos. n No. Pos. % Pos. N No. Pos. % Pos.
2 to 5 61 4 6.6 61 5 8.2 61 6 9.8
6 to 9 190 26 13.7 189 15 7.9 190 35 18.4
9 to 13 216 33 15.3 193 42 21.8 216 58 26.9
14 to 17 154 25 16.2 129 36 27.9 154 46 29.9
18 to 20 63 16 25.4 60 22 36.7 63 29 46.0
21 to 29 40 14 35.0 40 15 37.5 40 15 37.5
30 to 49 50 26 52.0 48 23 47.9 50 30 60.0
over 50 41 28 68.3 39 21 53.8 41 28 68.3
Total 815 172 21.1 759 179 23.6 815 247 30.3
  1. The number of total samples, positive results, and prevalence for each age class appear for participants with positive ELISA results toward AMA-1, MSP-1, or either AMA-1 or MSP-1 antigens.