Frequencies for psi_4_surg_comp_worsestr variable in vwhqi_hosp_ahrq_state dataset :

PSI_4_SURG_ |
 COMP_WORSE |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         24       42.86       42.86
          1 |         11       19.64       62.50
          2 |          6       10.71       73.21
          3 |          3        5.36       78.57
          4 |          5        8.93       87.50
          5 |          1        1.79       89.29
        N/A |          6       10.71      100.00
------------+-----------------------------------
      Total |         56      100.00

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