Frequencies for psi_4_surg_comp_f variable in vwhqi_hosp_ahrq dataset :

PSI_4_SURG_ |
     COMP_F |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,914       41.94       41.94
          5 |      1,675       36.70       78.64
          j |        975       21.36      100.00
------------+-----------------------------------
      Total |      4,564      100.00

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