Summary statistics for percutaneouscoronaryintervention variable in 2007_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
percutaneo~n |      2,899    3.940499    11.37188  -44.80373   40.43815

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