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Table 1 Numbers of RDT brands showing false positive test lines when run with blood of malaria free subjects and substitute liquids

From: Buffer substitution in malaria rapid diagnostic tests causes false-positive results

RDT format

Numbers of different RDT brands assessed

Numbers of RDTs brands showing false positive test lines when run with substitute liquid*

Saline

Distilled water

Tap water

Any substitute liquid

Two band

6

3 (1)

3 (1)

4 (1)

4 (1)

Three band

17

12 (9)

11 (10)

12 (9)

12 (10)

Four band

4

1 (0)

3 (2)

4 (2)

4 (2)

Total

27

16 (10)

17 (13)

20 (12)

20 (13)

  1. *Numbers refer to the different RDT brands for which false positive test lines were visible in at least one sample. Between brackets: numbers of RDT brands for which false positive lines were visible in the samples of at least three subjects.