Summary statistics for hipreplacementper1000medicareenr variable in 2008_10_sur

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hipreplace~r |      2,959    1.756563    3.751016     -12.72       8.15

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