Frequencies for psi_6_iat_ptx_better variable in vwhqi_hosp_ahrq_state dataset :

PSI_6_IAT_P |
  TX_BETTER |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         41       73.21       73.21
          1 |          8       14.29       87.50
          2 |          1        1.79       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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