Frequencies for medsurg variable in drg2009 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        255       25.53       25.53
        MED |        372       37.24       62.76
       SURG |        372       37.24      100.00
------------+-----------------------------------
      Total |        999      100.00

by Jean Roth , jroth@nber.org , 22 Apr 2016