Summary statistics for d4_sub1_c3_50 variable in hosp_rollup2552_96_1997 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_50 | 1,757 141312.6 288486.3 2 4370067 by Jean Roth , jroth@nber.org , 5 Sep 2018