Summary statistics for d_4_hos_c6_6350 variable in hosp_rollup2552_96_1996 data Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_h~6_6350 | 28 21675.43 42364.8 70 175412 by Jean Roth , jroth@nber.org , 20 Jan 2017