Summary statistics for d4_sub2_c3_67 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~3_67 | 2 40414.5 55586.37 1109 79720 by Jean Roth , jroth@nber.org , 9 Sep 2018