Summary statistics for d_4_hos_c13_98 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_ho~13_98 |          1        7524           .       7524       7524

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