Frequencies for first 10,000 rows of gpmed7 variable in nhamcsed2005 dataset :

   med 7 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |         87        0.87        0.87
medication was prescribed (rx) at disch |         84        0.84        1.71
medication was both given in ed and rx  |         13        0.13        1.84
                 na (no drug mentioned) |      9,805       98.05       99.89
                                  blank |         11        0.11      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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