Summary statistics for d4_sub1_c3_61 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_61 | 1,608 18019.65 31176.99 19 420615 by Jean Roth , jroth@nber.org , 9 Sep 2018