Frequencies for psi_6_iat_ptx_worse variable in vwhqi_hosp_ahrq_state dataset :

PSI_6_IAT_P |
   TX_WORSE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         17       30.36       30.36
          1 |         12       21.43       51.79
          2 |         13       23.21       75.00
          3 |          5        8.93       83.93
          7 |          1        1.79       85.71
          8 |          1        1.79       87.50
          9 |          1        1.79       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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