I am reporting absolute risk difference and CI's from proc freq below.
I am wondering which CIs and p-value should be reported in the results.
There are 2 treatment groups and both Ns > 100. But the events of interest (=1) are < 5.
proc freq data=data;table trt*event/ chisq riskdiff(cl=( newcombe exact wald) ) pdiff;run;
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