Summary statistics for d4_snf_c2_37 variable in hosp_rollup2552_96_2008 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_snf_c2_37 | 481 35181.98 126284.9 1 1509120 by Jean Roth , jroth@nber.org , 21 Apr 2018