Summary statistics for d_4_hos_c6_46 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_46 | 20 1630356 2852122 54374 1.04e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018