Summary statistics for percutaneouscoronaryintervention variable in 2002_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |        307    11.00135    3.576035   3.440192   33.94478

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