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Table 1 Volume of blood collected using pre-packaged blood-collection devices (inverted cup—10 devices per lot tested)

From: Quality issues with malaria rapid diagnostic test accessories and buffer packaging: findings from a 5-country private sector project in Africa

Test lot #

Mean

SD

Min

Max

% variation

1 (Uganda)

2.71

0.56

1.75

3.50

−46

1 (Nigeria)

3.28

0.63

2.27

4.20

−34

2

3.98

0.61

3.07

5.11

−20

3 (Uganda)

3.93

0.49

3.33

4.70

−21

3 (Nigeria)

4.76

0.33

4.39

5.31

−5

4

5.33

0.49

4.29

6.02

7

5

5.46

0.53

4.69

6.12

9

6

5.43

0.62

4.80

6.43

9

  1. All manufacturers specify a 5 μl fingerstick blood sample. % variation is based on the difference between this 5 μl standard and the mean volume in column 2. Lots 1 and 3 were sampled from both Uganda and Nigeria; all other lots were sampled from Nigeria only