Summary statistics for d4_sub1_c3_49 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_49 | 1,780 10572.73 30994.25 4 782475 by Jean Roth , jroth@nber.org , 5 Sep 2018