Frequencies for psi_6_iat_ptx_f variable in vwhqi_hosp_ahrq dataset :

PSI_6_IAT_P |
       TX_F |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,321       72.29       72.29
          5 |      1,259       27.41       99.70
          j |         14        0.30      100.00
------------+-----------------------------------
      Total |      4,594      100.00

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