Summary statistics for d_4_hos_c6_53 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_53 | 75 5.93e+07 6.70e+07 535624 3.20e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018