Summary statistics for d_4_hos_c6_56 variable in hosp_rollup2552_96_2000 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_56 | 36 1.16e+07 8160617 977885 3.88e+07 by Jean Roth , jroth@nber.org , 8 Sep 2018