Naturally Acquired Antibody Responses to a Synthetic Malaria Antigen AS202.11

Table 1

Description of study population and frequencies of measurements .

Variable	Frequency
Age (years)	No (%)
≤12	179 (55.9)
13–40	95 (29.7)
>40	46 (14.4)
, median	5.15 (2.64–6.19)
AS202.11 , median (IQR)	0.10 (0.07–0.20)
Body temp
≤37.5°c	191 (69.2)
>37.5°c	85 (30.8)
Microscopy
Negative	263 (82.2)
Positive	57 (17.8)
Negative	165 (51.6)
Positive	155 (48.4)
Negative	200 (62.5)
Positive	120 (37.5)
Seropositivity
Non Responders	68 (21.2)
Responders	252 (78.8)
Sex
Female	210 (65.6)
Male	110 (34.4)
Speciation
Non-Plasmodium falciparum	4 (3.8)
Plasmodium falciparum	101 (96.2)

Key. is in logarithmic form (log₁₀). quartile range. rapid diagnostic test. chain reaction. density. AS202.11 IgG responders had a relatively higher median age than the median age of nonresponders (Figure 1), although nonresponder group had extremes of a few high age values (outliers).