Summary statistics for aorticmitralvalvereplacementper1 variable in 1994_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        302    .8810613    .6342623  -1.745992   2.428856

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