Summary statistics for aorticmitralvalvereplacementper1 variable in 2008_10_sur

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        307    1.420554    .2958029        .73       2.62

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