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Table 1 Results of Alere FTS testing at baseline, one and 3 months storage at different temperatures

From: Effects of lyophilization and storage temperature on Wuchereria bancrofti antigen sensitivity and stability

Samples

Microfilaria/ml of blood

Baseline testing

Results at 1 month

Results at 3 months

 

4 °C

28 °C

40 °C

4 °C

28 °C

40 °C

A

1

+++

+++

+

+++

+++

+

++

B

1

+++

+++

++

++

+

+

C

6

+

+

+

+

+

+

+

D

43

++

+

+

+

+

+

E

7

+++

++

++

++

++

+

F

1

+++

++

++

+

++

+

+

G

6

+++

++

++

++

+

H

1

++

I

57

+++

+++

+++

++

++

+

+

J

2

++

+++

+++

+++

+

Number positive

10

9

9

9

9

5

6

Sensitivity

100%

90%

90%

90%

90%

50%

60%

Mean intensity score

2.5

2.0

1.7

1.7

1.4

0.5

0.7

Standard deviation

0.707

1.054

0.949

0.949

0.843

0.527

0.675

Standard error of mean

0.224

0.333

0.300

0.300

0.267

0.167

0.213

p values

 

0.188

0.055

0.055

0.008

0.004

0.004

  1. p values represent the comparison of means to the baseline