Summary statistics for d_4_hos_c6_41 variable in hosp_rollup2552_96_2011 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_41 | 1 5.57e+07 . 5.57e+07 5.57e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018