Summary statistics for d_4_hos_c6_67 variable in hosp_rollup2552_96_2009 datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_hos~6_67 |          1      515259           .     515259     515259

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