Summary statistics for d4_sub1_c3_47 variable in hosp_rollup2552_96_2008 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_sub1~3_47 | 392 7998.168 18232.21 -2561 174944 by Jean Roth , jroth@nber.org , 21 Apr 2018