Summary statistics for d_4_hos_c6_44 variable in hosp_rollup2552_96_2005 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_44 | 124 2.24e+08 2.52e+08 23520 1.68e+09 by Jean Roth , jroth@nber.org , 21 Apr 2018