Frequencies for first 10,000 rows of stay24 variable in nhamcsed2015 dataset :

     ED discharge greater than 24 hours |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Patient was discharged from ED in more  |        121        1.21        1.21
Patient was discharged from ED in 24 ho |      9,368       93.68       94.89
Missing data for ED discharge date and/ |        511        5.11      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Nov 2017