Summary statistics for d4_sub1_c3_37 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_37 | 1,226 18165.19 65375.33 1 1055583 by Jean Roth , jroth@nber.org , 21 Apr 2018