Summary statistics for aorticmitralvalvereplacementper1 variable in 2003_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        307    1.334835    .5113647  -1.550437   2.883626

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