Summary statistics for d4_sub1_c3_53 variable in hosp_rollup2552_96_1999 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_53 | 1,640 7055.251 45343.52 6 1750304 by Jean Roth , jroth@nber.org , 7 Sep 2018