Summary statistics for d_4_irf_c11_91 variable in prds_hosp10_yr2011 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_irf~1_91 |         88    44.05682    95.93201          1        550

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