Frequencies for psi_14_postop_dehisstr variable in vwhqi_hosp_ahrq dataset :

                 PSI_14_POSTOP_DEHIS |      Freq.     Percent        Cum.
-------------------------------------+-----------------------------------
                                     |        159        3.29        3.29
No Different than U.S. National Rate |      2,680       55.49       58.78
                       Not Available |      1,626       33.66       92.44
           Number of Cases Too Small |        325        6.73       99.17
       Worse than U.S. National Rate |         40        0.83      100.00
-------------------------------------+-----------------------------------
                               Total |      4,830      100.00

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