Summary statistics for aorticmitralvalvereplacementper1 variable in 1992_surg_d

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
aorticmitr~1 |        305    .8269263    .6411786   -1.45059   1.826005

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