Summary statistics for a8_c2_9 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a8_c2_9 |          9   -5070.444    8423.556     -22120        -53

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