Frequencies for first 10,000 rows of ostprsis variable in namcs2013 dataset :

       Does |
patient now |
      have: |
Osteoporosi |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,735       97.35       97.35
        Yes |        265        2.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017