Summary statistics for percutaneouscoronaryintervention variable in 2004_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |        307    12.06861    4.115793   3.748929   43.73402

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