Frequencies for rx_ce_lti_rxhcc79 variable in rxcoeff dataset :

rx_ce_lti_r |
  xhcc79 -- |
   epilepsy |
  and other |
    seizure |
 disorders, |
     except |
intractable |
         ep |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 2 May 2016