Frequencies for first 10,000 rows of ostprsis variable in nhamcsopd2011 dataset :

       Does |
patient now |
     have - |
Osteoporosi |
          s |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,757       97.57       97.57
        Yes |        243        2.43      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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