Summary statistics for e4_c1_21 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c1_21 |        767    21.12632    35.76347        .01     311.43

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