Summary statistics for d_4_hos_c4_51 variable in prds_hosp10_yr2010 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_hos~4_51 |          1      103412           .     103412     103412

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