Frequencies for psi_12_postop_pulmemb_dvt_f variable in vwhqi_hosp_ahrq dataset :

PSI_12_POST |
OP_PULMEMB_ |
      DVT_F |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,122       69.09       69.09
          5 |      1,292       28.59       97.68
          j |        105        2.32      100.00
------------+-----------------------------------
      Total |      4,519      100.00

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