Frequencies for first 10,000 rows of gpmed5 variable in nhamcsed2005 dataset :

   med 5 given in ed or rx at discharge |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
             medication was given in ed |        330        3.30        3.30
medication was prescribed (rx) at disch |        298        2.98        6.28
medication was both given in ed and rx  |         48        0.48        6.76
                 na (no drug mentioned) |      9,288       92.88       99.64
                                  blank |         36        0.36      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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