Frequencies for first 10,000 rows of advcomp2 variable in nhamcsed2011 dataset :

   Recoded: |
      visit |
 related to |
    adverse |
effects/com |
 plications |
   based on |
 any-listed |
       reas |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,770       97.70       97.70
        Yes |        230        2.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016