Summary statistics for d_4_hos_c4_88 variable in prds_hosp10_yr2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_hos~4_88 |          1      137567           .     137567     137567

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