Summary statistics for aorticmitralvalvereplacementper1 variable in 1999_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        306    1.290334    .5908385   -1.89374   2.525086

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