Summary statistics for backsurgeryper1000medicareenroll variable in 1995_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
backsurger~l |         52     2.73553    .7722464   1.104284   5.045621

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