Summary statistics for a_c1_18 variable in hosp_rollup2552_96_2001 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c1_18 |      3,165    398155.3     1117456       -787   5.18e+07

by Jean Roth , jroth@nber.org , 9 Sep 2018