Summary statistics for kneereplacementper1000medicareen variable in 2010_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
kneereplac~n |      2,918    2.662498    9.974041     -28.42      21.54

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