Summary statistics for a_c6_22 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_22 |          1      -70235           .     -70235     -70235

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