Summary statistics for d_4_hos_c2_56 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_56 | 125 142394.2 172966.5 32 1070971 by Jean Roth , jroth@nber.org , 5 Sep 2018