Frequencies for first 10,000 rows of admit variable in nhamcsed2007 dataset :

 if admitted to hospital was |
       checked, admitted to: |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       blank |         24        0.24        0.24
unknown (data not available) |         71        0.71        0.95
              not applicable |      8,608       86.08       87.03
          critical care unit |        233        2.33       89.36
  stepdown or telemetry unit |        257        2.57       91.93
              operating room |         63        0.63       92.56
 cardiac catheterization lab |          6        0.06       92.62
 mental health or detox unit |        109        1.09       93.71
              other bed/unit |        629        6.29      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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