Frequencies for cnd_hcc6 variable in hcccoefn dataset :

opportunist |
         ic |
 infections |      Freq.     Percent        Cum.
------------+-----------------------------------
       .704 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

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