Summary statistics for d4_sub1_c3_49 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_49 | 1,612 25197.64 49800.81 1 657670 by Jean Roth , jroth@nber.org , 21 Apr 2018