Summary statistics for percutaneouscoronaryintervention variable in 1994_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |      1,385    5.700514    2.309921   1.329841   20.60291

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