Summary statistics for aorticmitralvalvereplacementper1 variable in 2006_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        307    1.371865    .5012284  -2.255309   2.495287

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