Summary statistics for cholecystectomyper1000medicareen variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cholecyste~n |      1,263    4.763785    1.496967   1.675449    14.2006

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