Frequencies for first 10,000 rows of admit variable in nhamcsed2011 dataset :

                Admitted to: |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |         96        0.96        0.96
Unknown (data not available) |         99        0.99        1.95
              Not applicable |      8,582       85.82       87.77
          Critical care unit |        152        1.52       89.29
               Stepdown unit |        181        1.81       91.10
              Operating room |         41        0.41       91.51
 Mental health or detox unit |        136        1.36       92.87
 Cardiac catheterization lab |         21        0.21       93.08
              Other bed/unit |        692        6.92      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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