Frequencies for psi_11_postop_respfail_f variable in vwhqi_hosp_ahrq dataset :

PSI_11_POST |
OP_RESPFAIL |
         _F |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,824       62.51       62.51
          5 |      1,465       32.43       94.93
          j |        229        5.07      100.00
------------+-----------------------------------
      Total |      4,518      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016