Summary statistics for percutaneouscoronaryintervention variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |         52    9.170086    2.055448   3.539749   14.64619

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