Summary statistics for percutaneouscoronaryintervention variable in 1992_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |         52    4.671142    1.129738   1.945655   7.053423

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