Summary statistics for aorticmitralvalvereplacementper1 variable in 2007_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        307    1.277953    .6050125  -2.014047   2.336799

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