Frequencies for first 10,000 rows of stay24 variable in nhamcsed2013 dataset :

     ED discharge greater than 24 hours |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Patient was discharged from ED in more  |        124        1.24        1.24
Patient was discharged from ED in 24 ho |      9,257       92.57       93.81
Missing data for ED discharge date and/ |        619        6.19      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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