Summary statistics for d_2_hos_c6_66 variable in hosp_rollup2552_96_2001 datase Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_2_hos~6_66 | 2 1545.5 625.7895 1103 1988 by Jean Roth , jroth@nber.org , 9 Sep 2018