Summary statistics for d_4_hos_c6_38 variable in hosp_rollup2552_96_2005 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_38 | 77 1973165 3485349 3822 2.70e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018