Summary statistics for d_4_hos_c12_91 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ho~12_91 |      3,290     4811301     5077072         53   5.74e+07

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