Frequencies for medsurg variable in drg2004 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         25        4.63        4.63
        MED |        273       50.56       55.19
       SURG |        242       44.81      100.00
------------+-----------------------------------
      Total |        540      100.00

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