Summary statistics for hipreplacementper1000medicareenr variable in 2006_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hipreplace~r |        307    3.407274    .8784818   1.075927   5.656124

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