Summary statistics for a_c6_54 variable in hosp_rollup2552_96_2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     a_c6_54 |          1       -2442           .      -2442      -2442

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