Summary statistics for a8_c2_18 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    a8_c2_18 |          3   -1384.667    662.2328      -2093       -781

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