Summary statistics for a_c6_68 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_68 |          1       -6377           .      -6377      -6377

by Jean Roth , jroth@nber.org , 21 Apr 2018