Summary statistics for d_4_hos_c6_63 variable in hosp_rollup2552_96_2000 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_63 | 4 625070.3 1046783 19188 2185635 by Jean Roth , jroth@nber.org , 8 Sep 2018