Frequencies for rx_ce_lti_rxhcc156 variable in rxcoeff dataset :

rx_ce_lti_r |
 xhcc156 -- |
 myasthenia |
    gravis, |
amyotrophic |
    lateral |
  sclerosis |
  and other |      Freq.     Percent        Cum.
------------+-----------------------------------
       .179 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 8 Feb 2018