Summary statistics for psi_90_safety_better variable in vwhqi_hosp_ahrq_state dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
psi_90_sa~er |    204,800        3.12    3.685874          0         15

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