Frequencies for first 10,000 rows of admithos variable in nhamcsed1994 dataset :

admitted to |
   hospital |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,649       86.49       86.49
          1 |      1,351       13.51      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016