Summary statistics for psi_4_surg_comp_low_est variable in vwhqi_hosp_ahrq dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
psi_4_~w_est |      2,009    74.73089    20.04449      19.27      148.9

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