Summary statistics for a_c6_6920 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a_c6_6920 |          1     -144641           .    -144641    -144641

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