Summary statistics for carotidendarterectomyper1000medi variable in 2009_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
carotidend~i |        307    2.223388    .8121256        .43       6.63

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