Summary statistics for d_4_hos_c6_6350 variable in hosp_rollup2552_96_1997 data Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_h~6_6350 | 35 32072.86 63352.31 30 250056 by Jean Roth , jroth@nber.org , 20 Jan 2017