Summary statistics for d4_sub2_c2_53 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_53 | 537 32245.24 80547.62 70 1538546 by Jean Roth , jroth@nber.org , 5 Sep 2018