Summary statistics for d_4_hos_c2_40 variable in hosp_rollup2552_96_1996 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_40 | 86 239730.6 468287.6 1 3094908 by Jean Roth , jroth@nber.org , 3 Sep 2018