Frequencies for medsurg variable in drg1991 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         20        4.08        4.08
        MED |        255       52.04       56.12
       SURG |        215       43.88      100.00
------------+-----------------------------------
      Total |        490      100.00

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