Summary statistics for psi_14_postop_dehis_low_est variable in vwhqi_hosp_ahrq dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
psi_14~w_est |      2,728     .053651    .2086943          0       2.53

by Jean Roth , jroth@nber.org , 16 Nov 2016