Summary statistics for psi_4_surg_comp_num_dc variable in vwhqi_hosp_ahrq dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
psi_4_surg~c |      2,900    76.95828    93.24213          3        908

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