Summary statistics for hipreplacementper1000medicareenr variable in 2003_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hipreplace~r |        307    3.237716    .8337023   .9349751   5.377436

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