Frequencies for di_hcc160 variable in hcccoefn dataset :

   pressure |
  pre-ulcer |
       skin |
 changes or |
unspecified |
      stage |      Freq.     Percent        Cum.
------------+-----------------------------------
       .171 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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