members on the reasons for the discrepancy?
thanks,
Ricardo Pietrobon, MD, PhD
Duke University Health System
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PLEASE do
encounter, and
so on. Notice that the first ID has two encounters during the index date,
making it more difficult to define a single row with the index encounter.
Any help would be appreciated,
Ricardo
Ricardo Pietrobon, MD
Assistant Professor of Surgery
Duke University Medical Center
Durham, NC