Summary statistics for a8_c2_23 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    a8_c2_23 |          1       -4974           .      -4974      -4974

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