Summary statistics for d_4_hos_c1_55 variable in hosp_rollup2552_96_1997 datase

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
d_4_hos_c1~5 |          1        1898           .       1898       1898

by Jean Roth , jroth@nber.org , 5 Sep 2018