Summary statistics for e4_c2_10 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
    e4_c2_10 |        470    7.250064    12.47297        .01     173.87

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