Frequencies for medsurg variable in drg1998 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         14        2.78        2.78
        MED |        268       53.28       56.06
       SURG |        221       43.94      100.00
------------+-----------------------------------
      Total |        503      100.00

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