Frequencies for medsurg variable in drg1992 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         20        4.07        4.07
        MED |        256       52.03       56.10
       SURG |        216       43.90      100.00
------------+-----------------------------------
      Total |        492      100.00

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