Summary statistics for cholecystectomyper1000medicareen variable in 2008_10_sur

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cholecyste~n |      2,944     1.49802     3.56015     -11.31      10.53

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