Frequencies for medsurg variable in drg1997 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          9        1.82        1.82
        MED |        271       54.75       56.57
       SURG |        215       43.43      100.00
------------+-----------------------------------
      Total |        495      100.00

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