Frequencies for rx_ce_lti_rxhcc42 variable in rxcoeff dataset :

rx_ce_lti_r |
  xhcc42 -- |
   systemic |
      lupus |
erythematos |
  us, other |
 connective |
     tissue |
      disor |      Freq.     Percent        Cum.
------------+-----------------------------------
       .101 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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