Summary statistics for backsurgeryper1000medicareenroll variable in 2005_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
backsurger~l |         52     4.48578    1.403754    1.78832   9.549647

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