Summary statistics for percutaneouscoronaryintervention variable in 2000_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |      1,978    9.502969    3.840787   2.126472   51.09245

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