Summary statistics for d_4_irf_c13_65 variable in prds_hosp10_yr2012 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_irf~3_65 |          2          15    7.071068         10         20

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