Summary statistics for aorticmitralvalvereplacementper1 variable in 2008_10_sur

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |         52    1.390962    .2429497        .73       2.02

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