Summary statistics for d4_snf_c2_61 variable in hosp_rollup2552_96_1999 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_snf_c2_61 | 712 4459.264 37791.11 -128 944169 by Jean Roth , jroth@nber.org , 7 Sep 2018