Specify masking attributes for a column
If you selected a blinding type of Column for a table, at least one of the columns in the table must be masked.
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Click the Study Configuration icon from the navigation bar. Then click the Clinical Data Models tab.
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Select the model and click Check Out.
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Select the table.
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Select the column and click the Modify icon. In the Modify Clinical Data Model Column window, select the Blinding Attributes tab.
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Select a Masking Level:
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Cell: Masks the real data only in certain rows in this column.
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Column: Masks the real data in this column in every row.
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None: No rows are masked in this column.
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Masking Value: Do one of the following to specify what values to display instead of the real values:
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Enter a constant value to be displayed in every row.
Tip:
Enclose the value in single quotes.
The default masking values are:
xxxxx
for text,99999
for numbers, and15 aug 3501
for dates. -
Click the Modify Masking Value icon to create an expression to generate multiple values for the system to display; see Use the Expression Builder for details.
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Masking Criteria (for cell-level masking): Click the Modify Masking Criteria icon to specify the criteria for blinding cells in the column; see Use the Expression Builder for details.
Back to Set up clinical data models
Parent topic: Set up data blinding in tables