Summary statistics for d_4_hos_c2_56 variable in hosp_rollup2552_96_1998 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_56 | 139 163409.4 178229.3 100 1067357 by Jean Roth , jroth@nber.org , 6 Sep 2018