Summary statistics for s3_1_c1_6 variable in hosp_rollup2552_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   s3_1_c1_6 |      3,466    19.24553    20.38249          1        319

by Jean Roth , jroth@nber.org , 21 Apr 2018