Frequencies for psi_6_iat_ptx_f variable in vwhqi_hosp_ahrq dataset :

PSI_6_IAT_P |
       TX_F |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,315       73.37       73.37
          5 |      1,185       26.23       99.60
          j |         18        0.40      100.00
------------+-----------------------------------
      Total |      4,518      100.00

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