Summary statistics for percutaneouscoronaryintervention variable in 2002_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |      2,116    10.76527    4.261684   2.468722   45.22389

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