Frequencies for psi_90_safety_better variable in vwhqi_hosp_ahrq_state dataset :

PSI_90_SAFE |
  TY_BETTER |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         12       21.43       21.43
          1 |         12       21.43       42.86
          2 |          8       14.29       57.14
          3 |          3        5.36       62.50
          4 |          1        1.79       64.29
          5 |          2        3.57       67.86
          6 |          3        5.36       73.21
          7 |          3        5.36       78.57
          8 |          2        3.57       82.14
          9 |          1        1.79       83.93
         12 |          1        1.79       85.71
         14 |          1        1.79       87.50
         15 |          1        1.79       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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