Summary statistics for d4_sub1_c2_37 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~2_37 | 1,538 22276.49 52491.2 8 1114917 by Jean Roth , jroth@nber.org , 5 Sep 2018