Summary statistics for psi_90_safety_f variable in vwhqi_hosp_ahrq dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
psi_90_saf~f |      1,373    4.997815    .0467099          4          5

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