Summary statistics for d4_sub2_c3_68 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~3_68 | 2 2226.5 686.6007 1741 2712 by Jean Roth , jroth@nber.org , 10 Sep 2018