Summary statistics for d_4_hos_c2_63 variable in hosp_rollup2552_96_1996 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~2_63 | 47 46602.23 178518.7 4 1211379 by Jean Roth , jroth@nber.org , 3 Sep 2018