Summary statistics for d_4_hos_c6_6201 variable in hosp_rollup2552_96_1997 data Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_4_h~6_6201 | 74 111764.9 142242.9 1 580294 by Jean Roth , jroth@nber.org , 20 Jan 2017