Summary statistics for a_c6_4 variable in hosp_rollup2552_96_2002 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
      a_c6_4 |      4,132    252926.1     1636502  -2.55e+07   4.70e+07

by Jean Roth , jroth@nber.org , 10 Sep 2018