Frequencies for type2007 variable in drg1983 dataset :

Medical/Sur |
 gical Flag |
       2007 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        0.35        0.35
        MED |        294       50.78       51.12
       SURG |        283       48.88      100.00
------------+-----------------------------------
      Total |        579      100.00

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