Summary statistics for d_4_hos_c2_40 variable in hosp_rollup2552_96_1999 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_40 | 78 278442.2 813489.9 27 6560948 by Jean Roth , jroth@nber.org , 7 Sep 2018