Summary statistics for aorticmitralvalvereplacementper1 variable in 2001_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        307    1.321539    .5560705  -1.446023   2.760101

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