Summary statistics for d4_sub1_c3_61 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_61 | 1,433 35317.17 67302.91 4 1093837 by Jean Roth , jroth@nber.org , 21 Apr 2018