Frequencies for rx_ce_lti_rxhcc89 variable in rxcoeff dataset :

Rx_CE_LTI_R |
  XHCC89 -- |
   Coronary |
     Artery |
    Disease |      Freq.     Percent        Cum.
------------+-----------------------------------
       .031 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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