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

  immediacy |
 with which |
    patient |
  should be |
       seen |      Freq.     Percent        Cum.
------------+-----------------------------------
    unknown |      1,600       16.00       16.00
  immediate |        432        4.32       20.32
   1-14 min |      1,146       11.46       31.78
  15-60 min |      3,822       38.22       70.00
  >1hr-2hrs |      2,084       20.84       90.84
>2hrs-24hrs |        818        8.18       99.02
  no triage |         98        0.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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