Summary statistics for carotidendarterectomyper1000medi variable in 1999_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
carotidend~i |        307    3.536726    1.069017   .8270846   6.970948

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