Frequencies for medsurg variable in drg1993 dataset :

Medical/Sur |
 gical Flag |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         21        4.27        4.27
        MED |        256       52.03       56.30
       SURG |        215       43.70      100.00
------------+-----------------------------------
      Total |        492      100.00

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