Summary statistics for d_4_hos_c2_61 variable in hosp_rollup2552_96_2007 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_61 | 342 108558.5 194090.5 22 1232579 by Jean Roth , jroth@nber.org , 21 Apr 2018