Summary statistics for d4_sub1_c3_49 variable in hosp_rollup2552_96_2004 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_49 | 1,694 19594.88 41706.04 4 707659 by Jean Roth , jroth@nber.org , 21 Apr 2018