Summary statistics for d4_sub1_c3_49 variable in hosp_rollup2552_96_1996 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_49 | 1,683 10149.43 22995.31 4 426468 by Jean Roth , jroth@nber.org , 3 Sep 2018