Summary statistics for d_4_hos_c6_41 variable in hosp_rollup2552_96_2002 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~6_41 | 79 8.61e+07 7.74e+07 3485584 3.73e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018