Summary statistics for d_4_hos_c1_56 variable in hosp_rollup2552_96_1999 datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_hos_c1~6 |          1         492           .        492        492

by Jean Roth , jroth@nber.org , 7 Sep 2018