_dta:
  1.  patientchange set up by Jean Roth , jroth@nber.org , 19 Sep 2018
  2.  MAUDE Patient data updates:  changes to existing Base data

  obs:       210,881                          
 vars:             6                          19 Sep 2018 05:55
 size:   142,133,794                          (_dta has notes)
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              storage   display    value
variable name   type    format     label      variable label
------------------------------------------------------------------------------------------------------------------------------
mdr_report_key  long    %10.0g                Medical Device Reporting (MDR) Report Key
patient_sequence_number
                str1    %9s                   Patient Sequence Number (from patient report table)
date_received   int     %td                   Date Received (from mdr_document table)
date_receivedstr
                str10   %10s                  Date Received (from mdr_document table)
sequence_number_treatment
                str623  %623s                 Sequence Number||','|| Treatment -- multiple source type, separate by ';'
sequence_number_outcome
                str34   %34s                  Sequence Number||','|| Outcome -- multiple source type, separate by ';'
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Sorted by: mdr_report_key  patient_sequence_number