Summary statistics for d_4_hos_c12_90 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ho~12_90 |        744     3878745     9878029         50   1.07e+08

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