Summary statistics for e4_c3_9 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
     e4_c3_9 |      1,103    72.49853    111.9254        .01     1012.1

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