Summary statistics for d4_hos_c2_38 variable in hosp_rollup2552_96_1998 dataset Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- d4_hos_c2_38 | 2,188 455234.2 841553.9 33 1.65e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018