Summary statistics for percutaneouscoronaryintervention variable in 1994_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |         52    5.480845    1.236095   3.369584   8.412528

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