Summary statistics for d_4_hos_c2_40 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_40 | 73 365328.2 835414.6 1 5058168 by Jean Roth , jroth@nber.org , 21 Apr 2018