Summary statistics for d4_hos_c2_37 variable in hosp_rollup2552_96_2002 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c2_37 | 5,012 5486390 1.35e+07 3 3.84e+08 by Jean Roth , jroth@nber.org , 10 Sep 2018