Summary statistics for d_4_hos_c8_41 variable in hosp_rollup2552_96_2006 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~8_41 | 109 8.94e+07 1.00e+08 13160 6.78e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018