Summary statistics for d_5_sub2_c9_63 variable in hosp_rollup2552_96_1997 datas Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d_5_~2_c9_63 | 2 2442 70.71068 2392 2492 by Jean Roth , jroth@nber.org , 5 Sep 2018