Summary statistics for percutaneouscoronaryintervention variable in 1999_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |        307    9.194521    3.048473   2.986442   22.68186

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