Summary statistics for d_4_hos_c8_60 variable in hosp_rollup2552_96_1999 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_hos~8_60 | 52 99895.92 298820.8 22 1665949 by Jean Roth , jroth@nber.org , 20 Jan 2017