Frequencies for psi_14_postop_dehisstr variable in vwhqi_hosp_ahrq dataset :

                 PSI_14_POSTOP_DEHIS |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
No Different than U.S. National Rate |      2,690       59.54       59.54
                       Not Available |      1,449       32.07       91.61
           Number of Cases Too Small |        376        8.32       99.93
       Worse than U.S. National Rate |          3        0.07      100.00
-------------------------------------+-----------------------------------
                               Total |      4,518      100.00

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