Summary statistics for d_4_hos_c6_50 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_50 | 41 2987206 2833002 148090 1.71e+07 by Jean Roth , jroth@nber.org , 9 Sep 2018