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Table 2 False positive Pv-pLDH lines in 42 P. falciparum samples with parasite densities ≥2%

From: Malaria rapid diagnostic tests: Plasmodium falciparum infections with high parasite densities may generate false positive Plasmodium vivax pLDH lines

Samples RDT number and type  
Nr % parasite density Origin 1. Two-band 4. Three-band 6. Four-band 7. Four-band 8. Four-band 9. Four-band Total RDTs positive
1 2,0 MAF - - - - - W 1
2 2,2 MAF - * F - - - 1
3 2,3 MAF - * W - - - 1
4 2,8 WAF F F - - - - 2
5 3,2 MAF W S W W W W 6
6 3,2 MAF - * - F F - 2
7 3,3 WAF - * F - - - 1
8 3,7 ND S * - F - - 2
9 3,8 ND - - - F - - 1
10 3,9 ND - - W F - - 2
11 4,0 WAF S S W F W - 5
12 4,2 WAF W M - - - - 2
13 4,5 WAF F F - - - - 2
14 4,6 MAF - - F - - - 1
15 5,3 WAF M M W F - - 4
16 5,5 WAF - - - F - - 1
17 5,7 MAF S S W W - F 5
18 6,6 MAF F * - - - - 1
19 7,0 ND - - W F - - 2
20 7,2 WAF S * W M W M 5
21 7,4 WAF - - - F - - 1
22 7,6 MAF - - - F - - 1
23 9,1 ND - - - - - W 1
24 9,6 ND * M W F - - 3
25 20,0 ND - - - F - - 1
26 20,0 WAF F - - F - - 2
27 20,0 WAF - - W - - - 1
28 20,0 WAF W S W F W - 5
29 20,0 WAF W M F F - W 5
30 20,0 WAF - - F F - - 2
31 20,0 ND F - - - - - 1
32 20,0 ND F - - F - - 2
33 20,0 WAF - - - F - - 1
34 20,0 MAF - * - - - W 1
35 20,0 ND - * F - - - 1
36 20,0 MAF F * - - - - 1
37 20,0 WAF - * W - - - 1
38 20,0 WAF - * F - - - 1
39 20,0 WAF - * F - - - 1
40 20,0 MAF - - - F - - 1
41 20,0 WAF - M W W W - 4
42 35,0 WAF - * - - F - 1
Total false positive Pv-pLDH lines 16 11 21 23 7 7 85
  1. MAF = Middle Africa; WAF = West Africa; ND = No Data
  2. F = faint; W = weak; M = medium; S = strong; - = negative; * = sample not tested due to lack of RDT or sample