Summary statistics for a_c6_6920 variable in hosp_rollup2552_96_2003 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   a_c6_6920 |          1     -120221           .    -120221    -120221

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