Summary statistics for psi_4_surg_comp_high_est variable in vwhqi_hosp_ahrq dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
psi_4_~h_est |      1,920    158.6697    21.51163       76.1     250.28

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