Frequencies for first 10,000 rows of gpmed7 variable in nhamcsed2009 dataset :

med 7 given |
in ed or rx |
         at |
  discharge |      Freq.     Percent        Cum.
------------+-----------------------------------
         -9 |         10        0.10        0.10
         -7 |      9,733       97.33       97.43
          1 |        151        1.51       98.94
          2 |         91        0.91       99.85
          3 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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