Summary statistics for cholecystectomyper1000medicareen variable in 2010_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
cholecyste~n |      1,909   -.3869775    3.932874     -14.36       6.66

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