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Performance Characteristics

COMP® ELISA, 14-1006-71

Detection limit

The detection limit is <0.1 U/l.

Parallelism

Serum samples were diluted 10, 20 and 40 times using the Sample diluent. The observed Obtained/Expected values for 1/20 and 1/40 were in the range 93-116%.

Hook effect

Samples diluted 1/10, can have a concentration up to at least 200 U/l, without giving falsely low results.

Precision

Each sample was analysed in tetraplicate on six different occasions (see table below).

Coefficient of variation

Pat.
Mean value
U/I
within
assay%
between
assay%
total
assay%
1
6.9
3,0
1,8
3,5
2
13.1
1,9
2,7
3,3
3
18.0
1,7
4,2
4,5
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