Summary statistics for d_4_hos_c6_44 variable in hosp_rollup2552_96_2000 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_44 | 36 1.31e+08 7.94e+07 1.01e+07 2.87e+08 by Jean Roth , jroth@nber.org , 8 Sep 2018