Frequencies for INS_COPD_CARD_RESP_FAIL variable in hcccoefn dataset :

INS_COPD_CA |
RD_RESP_FAI |
          L |      Freq.     Percent        Cum.
------------+-----------------------------------
       .506 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 23 Mar 2017