Select one or more variables from the ADSL table by which to stratify the Cochran-Mantel-Haenszel exact test. Using such variables to stratify the analyses can help avoid confounding in the tests of interest.Refer to PROC FREQ documentation for additional details.
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Clickto open the Add window (shown below) that lists each variable contained in ADSL or the domain and SUPPxx (if merged) specific to this report.
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Select the variables you want to include in the analysis and click to add those variables to the text box.In this example, SEX was selected and added.