6. Application Example
59
Define Cutoffs
In the control bar select Cutoff definition from the Evaluate data item to define
the limits for the qualitative evaluation.
The test kit description contains the following instructions:
Interpretation of the test results:
IgM < 18 UA/ml Negative
18 UA/ml ≤ IgM < 22 UA/ml Intermediate
IgM ≥ 22 UA/ml Positive
Use the following procedure to define the appropriate cutoffs:
In the Input data box, select Mean conc. (UA/ml).
The Cutoffs table represents a scale indicating the high and the low end for the
Limits and Labels. In Limits, type 22 as the first (higher) limit and 18 as the
second (lower) limit.
In Labels, enter the test interpretation (Positive, Intermediate and Negative)
into the individual boxes. Use the drop-down color palette to assign a color:
• Positive – Red
• Intermediate – Blue
• Negative – Green
The screen contains the following:
Click Cutoff results selection to select the identifier types for which the cutoff
results must be shown.
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