Summary statistics for d_4_irf_c11_90 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_irf~1_90 |         21    48.95238    67.91868          1        191

by Jean Roth , jroth@nber.org , 24 Aug 2018