Frequencies for first 10,000 rows of admit variable in nhamcsed2008 dataset :

 if admitted to hospital was |
       checked, admitted to: |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       blank |         37        0.37        0.37
unknown (data not available) |         94        0.94        1.31
              not applicable |      8,523       85.23       86.54
          critical care unit |        220        2.20       88.74
  stepdown or telemetry unit |        274        2.74       91.48
              operating room |         89        0.89       92.37
 cardiac catheterization lab |         10        0.10       92.47
 mental health or detox unit |         59        0.59       93.06
              other bed/unit |        694        6.94      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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