Summary statistics for percutaneouscoronaryintervention variable in 2009_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |      2,673    2.489106    9.441634     -43.44      33.37

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