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

 If yes to recording patient |
     history and demographic |
information, does this inclu |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |     10,000      100.00      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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