Summary statistics for percutaneouscoronaryintervention variable in 1993_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |         52    4.902749    1.191173   2.357469   7.545681

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