Summary statistics for percutaneouscoronaryintervention variable in 1992_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |        307    4.896492    1.792361    1.61424   12.76602

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