Summary statistics for d4_sub2_c2_61 variable in hosp_rollup2552_96_2008 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub2~2_61 | 452 75985.27 183771.5 -3384 1960146 by Jean Roth , jroth@nber.org , 21 Apr 2018