Summary statistics for e3_3_hos_c1_31 variable in prds_hosp10_yr2014 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
e3_3_hos_~31 |          1        -221           .       -221       -221

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