Summary statistics for d_4_hos_c2_50 variable in hosp_rollup2552_96_2009 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_50 | 70 180541.4 392290.8 2 2425259 by Jean Roth , jroth@nber.org , 21 Apr 2018