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Table 2 Number and percentage of sample population (n = 580) considered seropositive for MSP-1-19 and AMA-1 antigens when applying different cutoff criterion

From: Multiple comparisons analysis of serological data from an area of low Plasmodium falciparum transmission

Assay

Antigen

Malaria-naïve reference population

Finite mixture model

Mean + 3SD

Mean + 5SD

Mean + 3SD

Mean + 5SD

Normal distribution

 ELISA

MSP-1

362 (62.4 %)

251 (43.3 %)

66 (11.4 %)

41 (7.1 %)

AMA-1

197 (34.0 %)

81 (14.0 %)

38 (6.6 %)

25 (4.3 %)

 Multiplex

MSP-1

126 (21.7 %)

105 (18.1 %)

126 (21.7 %)

105 (18.1 %)

AMA-1

108 (18.6 %)

76 (13.1 %)

90 (15.5 %)

71 (12.2 %)

Lognormal distribution

 ELISA

MSP-1

355 (61.2 %)

238 (41.0 %)

15 (2.6 %)

5 (0.9 %)

AMA-1

200 (34.5 %)

87 (15.0 %)

5 (0.9 %)

1 (0.2 %)

 Multiplex

MSP-1

130 (22.4 %)

110 (19.0 %)

451 (77.8 %)

403 (69.5 %)

AMA-1

120 (20.7 %)

85 (14.7 %)

468 (80.7 %)

421 (72.6 %)