Summary statistics for hipreplacementper1000medicareenr variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hipreplace~r |        719    2.764521    .7822056   .6148073   6.571697

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