Frequencies for psi_14_postop_dehis_worsestr variable in vwhqi_hosp_ahrq_state dataset :

PSI_14_POSTOP |
 _DEHIS_WORSE |      Freq.     Percent        Cum.
--------------+-----------------------------------
            0 |         27       48.21       48.21
            1 |         13       23.21       71.43
            2 |          5        8.93       80.36
            3 |          4        7.14       87.50
            5 |          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