Table 3

Proportion of children with continued false-positive (FP) RDTs, stratified by day-0 parasite density

Parasite density
(× 103), Day 0
Day 7 % FP
(95% CI)
Day 14 % FP
(95% CI)
Day 21 % FP
(95% CI)
Day 28 % FP
(95% CI)
Day 35 % FP*
(95% CI)

50–200 (n = 30)
100
100
100
100
77.3 (17/22)

-
-
-
-
(54.6–92.2)
20–50 (n = 42)
100
100
97.6 (41/42)
97.6 (41/42)
79.2 (19/24)

-
-
(87.4–99.9)
(87.4–99.9)
(57.8–92.9)
10–20 (n = 22)
100
100
100
90.9 (20/22)
71.4 (10/14)

-
-
-
(70.9–98.9)
(46.2–95.0)
2–10 (n = 18)
94.4 (17/18)
88.9 (16/18)
72.2 (13/18)
66.7 (12/18)
50.0 (4/8)

(72.7–99.9)
(65.3–98.6)
(46.5–90.3)
(41.0–86.7)
(15.7–84.3)
Total
99.1 (111/112)
98.2 (110/112)
94.6 (106/112)
92.0 (103/112)
73.5 (50/68)

(95.1–100)
(93.7–99.8)
(88.7–98.0)
(85.3–96.3)
(61.4–83.5)

*44 children were not able to complete a day-28 clinic visit after forced evacuation of the study team due to political insecurity in the region.

Swarthout et al. Malaria Journal 2007 6:58   doi:10.1186/1475-2875-6-58

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