Frequencies for iqi_91_conds variable in vwhqi_hosp_ahrq dataset :

                        IQI_91_CONDS |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
      Better than U.S. National Rate |        296        6.49        6.49
No Different than U.S. National Rate |      2,512       55.04       61.52
                       Not Available |      1,390       30.46       91.98
       Worse than U.S. National Rate |        366        8.02      100.00
-------------------------------------+-----------------------------------
                               Total |      4,564      100.00

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