Summary statistics for d4_hos_c2_39 variable in hosp_rollup2552_96_2004 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c2_39 | 2,068 51657.18 591083.9 1 2.13e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018