Summary statistics for d_4_hos_c12_72 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ho~12_72 |        978     3927916     5743842         55   4.93e+07

by Jean Roth , jroth@nber.org , 24 Aug 2018