Summary statistics for mastectomyforbreastcancerper1000 variable in 1999_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
mastect~1000 |        305    1.133601    1.320255  -3.315277   3.285187

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