Summary statistics for hipreplacementper1000medicareenr variable in 1995_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hipreplace~r |         52    2.477769    .6085717   .8840815   3.971267

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