Summary statistics for backsurgeryper1000medicareenroll variable in 2008_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
backsurger~l |      2,131    .4380009    5.504442     -24.33      13.24

by Jean Roth , jroth@nber.org , 14 Mar 2018