Frequencies for psi_90_safety_worse variable in vwhqi_hosp_ahrq_state dataset :

PSI_90_SAFE |
   TY_WORSE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          8       14.29       14.29
          1 |         10       17.86       32.14
          2 |         10       17.86       50.00
          3 |          4        7.14       57.14
          4 |          4        7.14       64.29
          5 |          2        3.57       67.86
          6 |          1        1.79       69.64
          7 |          2        3.57       73.21
          8 |          1        1.79       75.00
          9 |          3        5.36       80.36
         10 |          1        1.79       82.14
         12 |          2        3.57       85.71
         18 |          2        3.57       89.29
          . |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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