Frequencies for first 10,000 rows of advtriag variable in nhamcsed2012 dataset :

Does ED use |
   advanced |
     triage |
(triage-bas |
   ed care) |
 protocols? |      Freq.     Percent        Cum.
------------+-----------------------------------
      Blank |        152        1.52        1.52
    Unknown |      2,068       20.68       22.20
        Yes |      5,363       53.63       75.83
         No |      2,417       24.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016