Summary statistics for backsurgeryper1000medicareenroll variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
backsurger~l |         52    3.799498    1.150418   1.525582   7.366437

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