Summary statistics for kneereplacementper1000medicareen variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
kneereplac~n |         52    5.570014    1.332803   1.932481   8.712105

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