Summary statistics for d_4_hos_c4_90 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_hos~4_90 |          2    271385.5    131132.2     178661     364110

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