Summary statistics for aorticmitralvalvereplacementper1 variable in 1998_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        302    1.415882    .4083024   .5230772   3.736691

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