Summary statistics for aorticmitralvalvereplacementper1 variable in 2004_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        307    1.375982    .4727696  -1.439549   2.599537

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