Summary statistics for d_4_hos_c2_40 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_40 | 87 209485.7 385930.7 10 2176743 by Jean Roth , jroth@nber.org , 5 Sep 2018