Frequencies for psi_90_safety_samestr variable in vwhqi_hosp_ahrq_state dataset :

PSI_90_SAFETY |
        _SAME |      Freq.     Percent        Cum.
--------------+-----------------------------------
           10 |          3        5.36        5.36
          100 |          1        1.79        7.14
           11 |          1        1.79        8.93
          118 |          1        1.79       10.71
           12 |          1        1.79       12.50
          120 |          1        1.79       14.29
          128 |          1        1.79       16.07
           14 |          1        1.79       17.86
          145 |          1        1.79       19.64
          147 |          1        1.79       21.43
           19 |          1        1.79       23.21
           21 |          1        1.79       25.00
           22 |          1        1.79       26.79
           23 |          1        1.79       28.57
           24 |          1        1.79       30.36
          273 |          1        1.79       32.14
           28 |          2        3.57       35.71
           29 |          1        1.79       37.50
           30 |          1        1.79       39.29
          301 |          1        1.79       41.07
           32 |          1        1.79       42.86
           38 |          1        1.79       44.64
            4 |          1        1.79       46.43
           43 |          1        1.79       48.21
           45 |          1        1.79       50.00
           47 |          1        1.79       51.79
            5 |          2        3.57       55.36
           50 |          1        1.79       57.14
           52 |          1        1.79       58.93
           53 |          1        1.79       60.71
           55 |          2        3.57       64.29
           59 |          1        1.79       66.07
            6 |          1        1.79       67.86
           60 |          1        1.79       69.64
           62 |          1        1.79       71.43
           69 |          1        1.79       73.21
           72 |          1        1.79       75.00
           79 |          1        1.79       76.79
           83 |          1        1.79       78.57
           87 |          1        1.79       80.36
            9 |          1        1.79       82.14
           90 |          1        1.79       83.93
           92 |          1        1.79       85.71
           93 |          1        1.79       87.50
           96 |          1        1.79       89.29
Not Available |          6       10.71      100.00
--------------+-----------------------------------
        Total |         56      100.00

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