Summary statistics for d4_snf_c3_56 variable in hosp_rollup2552_96_1996 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_snf_c3_56 | 2,058 132983.1 136321.2 12 1562752 by Jean Roth , jroth@nber.org , 3 Sep 2018